Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh hung » thanh huong, thanh tung, thanh trung
cong thanh » dong thanh, cong trinh, cong tan
doi chieu » doc hieu, doi chi, ho chieu
cong tac » cong ty
toan ban » van ban
hung va » huong va, hung van, hang va
va nang » van nang, da nang, cam nang

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 - thanh hung va nang ((huong dan) or (((cong thanh) or (cong tac)))) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - thanh hung va nang ((huong dan) OR (((cong thanh) OR (cong tac)))) toan ban.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh hung va nang ((huong dan) or (((cong thanh) or (cong tac)))) toan ban*.