Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh tung » thanh cong
thuat cao » thuat co, thuat bao, thuat cam
ho chieu » theo chieu, hoc thieu, doi chieu
va duong » van duong, va tuong, va huong
cong ban » cong bang, cong san, cong tan
cong dan » cong san, cong tan, huong dan
cong tac » cong ty
tung va » trung va, tuong va, dung va

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