queryFactory
          .select(problem.id.id, problem.comment, problem.mainProblemImageUrl)
          .from(problem)
          .where(
                  containsProblemId(problemId),
                  containsName(comment),
                  inConceptTagIds(conceptTagIds)
          )
          .leftJoin(conceptTag).on(conceptTag.id.in(problem.conceptTagIds)).fetchJoin()
          .distinct()
          .transform(GroupBy.groupBy(problem.id.id).list(
                  Projections.constructor(ProblemSearchGetResponse.class,
                          problem.id.id,
                          problem.comment,
                          problem.mainProblemImageUrl,
                          GroupBy.set(
                                  Projections.constructor(ConceptTagSearchResponse.class,
                                          conceptTag.id,
                                          conceptTag.name
                                  )
                          )
                  )
          ));