Perhaps you should try some spelling variations:
chiet tach » chieu sach
thanh dung » thanh duong, thanh tung, thanh hung
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
dung cua » dung luan, dung cho
cong tan » cong tac, cong san, cong thanh
than cau » toan cau, phan cau, than cap
toan ban » van ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chiet tach) or (chinh sach)) - thanh dung cua nhung cong tan ((than cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chiet tach) OR (chinh sach)) - thanh dung cua nhung cong tan ((than cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ho ((chiet tach) or (chinh sach)) - thanh dung cua nhung cong tan ((than cau) or (toan ban))*.