Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
doi chieu » doc hieu, doi chi, ho chieu
cong sang » cong lang, cong vang, cong bang
trung ha » trung hoc, trung tam, trung cap
ha nhung » hoa nhung, hay nhung, pha nhung
cong san » cong tac
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - hanh trung ha nhung ((cong san) or (cong sang)) ((than cap) or (thanh san))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - hanh trung ha nhung ((cong san) OR (cong sang)) ((than cap) OR (thanh san)).
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - hanh trung ha nhung ((cong san) or (cong sang)) ((than cap) or (thanh san))*.