diff --git a/IRaCIS.Core.Application/Service/Reading/ReadingPeriod/ReadModuleService.cs b/IRaCIS.Core.Application/Service/Reading/ReadingPeriod/ReadModuleService.cs
index 15d9520d8..ecca63e98 100644
--- a/IRaCIS.Core.Application/Service/Reading/ReadingPeriod/ReadModuleService.cs
+++ b/IRaCIS.Core.Application/Service/Reading/ReadingPeriod/ReadModuleService.cs
@@ -86,8 +86,8 @@ namespace IRaCIS.Application.Services
            var subjectQuery = _readModuleViewRepository.Where(x => x.TrialReadingCriterionId == dto.TrialReadingCriterionId)
             .WhereIf(dto.TrialId != null, x => x.TrialId == dto.TrialId)
             .WhereIf(dto.SubjectId != null, x => x.SubjectId == dto.SubjectId)
-            .WhereIf(dto.TrialSiteCode != null && dto.TrialSiteCode != string.Empty, x => x.TrialSiteCode == dto.TrialSiteCode)
-            .WhereIf(dto.SubjectCode != null && dto.SubjectCode != string.Empty, x => x.SubjectCode == dto.SubjectCode)
+            .WhereIf(dto.TrialSiteCode != null && dto.TrialSiteCode != string.Empty, x => x.TrialSiteCode.Contains(dto.TrialSiteCode))
+            .WhereIf(dto.SubjectCode != null && dto.SubjectCode != string.Empty, x => x.SubjectCode.Contains(dto.SubjectCode))
             .WhereIf(dto.ModuleType != null, x => x.ModuleType == dto.ModuleType)
             .WhereIf(dto.ReadingStatus != null, x => x.ReadingStatus == dto.ReadingStatus)
             .WhereIf(dto.Name != null, x => x.Name.Contains(dto.Name!)).OrderBy(x => x.SiteCode);