diff --git a/resource-server/src/main/java/com/inhabas/api/domain/contest/repository/ContestBoardRepositoryImpl.java b/resource-server/src/main/java/com/inhabas/api/domain/contest/repository/ContestBoardRepositoryImpl.java
index 88c30577..6e08539b 100644
--- a/resource-server/src/main/java/com/inhabas/api/domain/contest/repository/ContestBoardRepositoryImpl.java
+++ b/resource-server/src/main/java/com/inhabas/api/domain/contest/repository/ContestBoardRepositoryImpl.java
@@ -52,11 +52,11 @@ public List<ContestBoardDto> findAllByTypeAndFieldAndSearch(
         eqContestType(contestType)
             .and(eqContestField(contestFieldId))
             .and(
-                titleLike(search)
-                    .or(contentLike(search))
-                    .or(writerNameLike(search))
-                    .or(associationLike(search))
-                    .or(topicLike(search)));
+                likeTitle(search)
+                    .or(likeContent(search))
+                    .or(likeWriterName(search))
+                    .or(likeAssociation(search))
+                    .or(likeTopic(search)));
 
     OrderSpecifier<?> orderBy = getOrderBy(sortBy);
 
@@ -118,27 +118,23 @@ private BooleanExpression eqContestField(Long contestFieldId) {
     return contestBoard.contestField.id.eq(contestFieldId);
   }
 
-  private BooleanExpression titleLike(String search) {
-    return hasText(search) ? contestBoard.title.value.containsIgnoreCase(search) : null;
+  private BooleanExpression likeTitle(String search) {
+    return contestBoard.title.value.like("%" + search + "%");
   }
 
-  private BooleanExpression contentLike(String search) {
-    return hasText(search) ? contestBoard.content.value.containsIgnoreCase(search) : null;
+  private BooleanExpression likeContent(String search) {
+    return contestBoard.content.value.like("%" + search + "%");
   }
 
-  private BooleanExpression writerNameLike(String search) {
-    return hasText(search) ? contestBoard.writer.name.value.containsIgnoreCase(search) : null;
+  private BooleanExpression likeWriterName(String search) {
+    return contestBoard.writer.name.value.like("%" + search + "%");
   }
 
-  private BooleanExpression associationLike(String search) {
-    return hasText(search) ? contestBoard.association.value.containsIgnoreCase(search) : null;
+  private BooleanExpression likeAssociation(String search) {
+    return contestBoard.association.value.like("%" + search + "%");
   }
 
-  private BooleanExpression topicLike(String search) {
-    return hasText(search) ? contestBoard.topic.value.containsIgnoreCase(search) : null;
-  }
-
-  private Boolean hasText(String text) {
-    return text != null && !text.trim().isEmpty();
+  private BooleanExpression likeTopic(String search) {
+    return contestBoard.association.value.like("%" + search + "%");
   }
 }
diff --git a/resource-server/src/test/java/com/inhabas/api/domain/contest/usecase/ContestBoardServiceImplTest.java b/resource-server/src/test/java/com/inhabas/api/domain/contest/usecase/ContestBoardServiceImplTest.java
index 7d72e855..af56f778 100644
--- a/resource-server/src/test/java/com/inhabas/api/domain/contest/usecase/ContestBoardServiceImplTest.java
+++ b/resource-server/src/test/java/com/inhabas/api/domain/contest/usecase/ContestBoardServiceImplTest.java
@@ -28,6 +28,7 @@
 import com.inhabas.api.domain.contest.dto.ContestBoardDto;
 import com.inhabas.api.domain.contest.dto.SaveContestBoardDto;
 import com.inhabas.api.domain.contest.repository.ContestBoardRepository;
+import com.inhabas.api.domain.contest.repository.ContestFieldRepository;
 import com.inhabas.api.domain.file.dto.FileDownloadDto;
 import com.inhabas.api.domain.file.usecase.S3Service;
 import com.inhabas.api.domain.member.domain.entity.MemberTest;
@@ -49,6 +50,8 @@ public class ContestBoardServiceImplTest {
 
   @Mock private ContestBoardRepository contestBoardRepository;
 
+  @Mock private ContestFieldRepository contestFieldRepository;
+
   @Mock private MemberRepository memberRepository;
 
   @Mock private MenuRepository menuRepository;
@@ -125,9 +128,12 @@ void getContestBoard() {
   void writeContestBoard() {
     // given
     Member member = MemberTest.chiefMember();
+
+    ContestField contestField = ContestField.builder().name("빅데이터").build();
+    ReflectionTestUtils.setField(contestField, "id", 1L);
     SaveContestBoardDto saveContestBoardDto =
         SaveContestBoardDto.builder()
-            .contestFieldId(1L)
+            .contestFieldId(contestField.getId())
             .title("테스트 제목")
             .content("테스트 내용")
             .association("(주) 아이바스")
@@ -137,7 +143,6 @@ void writeContestBoard() {
             .files(null)
             .build();
 
-    ContestField contestField = ContestField.builder().name("빅데이터").build();
     Menu menu = getContestMenu(getContestMenuGroup());
     ContestBoard contestBoard =
         ContestBoard.builder()
@@ -154,6 +159,8 @@ void writeContestBoard() {
 
     given(memberRepository.findById(any())).willReturn(Optional.of(member));
     given(contestBoardRepository.save(any())).willReturn(contestBoard);
+    given(contestFieldRepository.findById(contestField.getId()))
+        .willReturn(Optional.of(contestField));
     given(menuRepository.findById(anyInt())).willReturn(Optional.of(menu));
 
     // when