Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
chua bang » chu bang, chua nang, chua xang
cua bang » cua ban, cua dang, cua hang
cong ban » cong bang, cong san, cong tan
ban than » ban thanh, van thanh, ban hang
than ban » thanh ban, toan ban, than man

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 ((cua bang) or (chua bang)) cong ban than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - canh tranh ((cua bang) OR (chua bang)) cong ban than ban.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - canh tranh ((cua bang) or (chua bang)) cong ban than ban*.