Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
tung tham » tuong tham, tung pham, luong tham
cung tham » cung than, cung thang, luong tham
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
tan van » tran van, tang van, luan van
van cau » van dau, van hau, van chat

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 tham) or (cung tham)) nhung cong tan van cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((tung tham) OR (cung tham)) nhung cong tan van cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((tung tham) or (cung tham)) nhung cong tan van cau*.