Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
tranh van » tran van, trinh van, thanh van
van nhung » van nhuong, va nhung, van hung
cong san » cong tac
phan dau » phan tu, hang dau

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