Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
nhung cong » dung cong, thong cong, hang cong
thanh chau » thanh cha, thanh cham, thanh chu
van nhung » van nhuong, va nhung, van hung
cong san » cong tac
phan cac » nhan cach, phan dau, phan lap
can van » cac van, can ban, tan van
van van » van ban, tan van, san 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 ((chieu sach) or (chieu sang)) - can van van nhung cong san ((thanh chau) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chieu sang)) - can van van nhung cong san ((thanh chau) OR (phan cac)).
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chieu sang)) - can van van nhung cong san ((thanh chau) or (phan cac))*.