Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh dung » thanh duong, thanh tung, hanh dung
thanh hung » thanh huong, thanh tung, thanh trung
bang cong » dang cong, bang song, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
cua bang » chua bang, cua ban, cua dang
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cau » toan cau, phan cau, than cap

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) or (thanh hung)) cua bang cong tan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((thanh dung) OR (thanh hung)) cua bang cong tan than cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((thanh dung) or (thanh hung)) cua bang cong tan than cau*.