Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh dung » thanh duong, thanh tung, thanh hung
nhung cong » dung cong, thong cong, hang cong
van thanh » ban thanh, van tuan
ho chieu » theo chieu, hoc thieu, doi chieu
ban than » ban thanh, ban hang, ban hanh

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 dung va nhung cong ((ban than) or (van thanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh dung va nhung cong ((ban than) OR (van thanh)) cau*.