Perhaps you should try some spelling variations:
chiet tach » chieu sach
manh trung » manh tung, thanh trung, manh hung
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
ho chiet » ho chieu, ho thiet, hoc thiet
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
tran ban » tranh ban, toan ban, tran bai
tran van » luan van

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho chiet tach - manh trung cua nhung ((cong tan) or (cong tac)) ((tran ban) or (tran van))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - manh trung cua nhung ((cong tan) OR (cong tac)) ((tran ban) OR (tran van)).
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - manh trung cua nhung ((cong tan) or (cong tac)) ((tran ban) or (tran van))*.