Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
dong thanh » truong thanh
cua nhung » va nhung
ho chieu » theo chieu, hoc thieu, doi chieu
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan
cong san » cong tac
cong tan » cong tac, cong thanh, cong ty
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - anh tang cua nhung ((cong san) or (((cong tan) or (dong thanh)))) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - anh tang cua nhung ((cong san) OR (((cong tan) OR (dong thanh)))) toan cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - anh tang cua nhung ((cong san) or (((cong tan) or (dong thanh)))) toan cao*.