Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
tranh van » tran van, trinh van, thanh van
trinh va » trinh van, trinh vat, trinh ve
cong san » cong tac
cong tan » cong tac, cong thanh, cong ty
phan cac » nhan cach, phan dau, phan lap

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 - canh ((tranh van) or (trinh va)) nhung ((cong san) or (cong tan)) phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - canh ((tranh van) OR (trinh va)) nhung ((cong san) OR (cong tan)) phan cac.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - canh ((tranh van) or (trinh va)) nhung ((cong san) or (cong tan)) phan cac*.