Perhaps you should try some spelling variations:
chiet tach » chieu sach
tranh van » tran van, trinh van, thanh van
van nhung » van nhuong, va nhung, van hung
ho chiet » ho chieu, ho thiet, hoc thiet
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
phan dau » phan tu, hang dau
phan cac » nhan cach, phan lap, phan 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 chiet tach - canh tranh van nhung ((cong dan) or (cong san)) ((phan dau) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - canh tranh van nhung ((cong dan) OR (cong san)) ((phan dau) OR (phan cac)).
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - canh tranh van nhung ((cong dan) or (cong san)) ((phan dau) or (phan cac))*.