Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
thanh nung » thanh tung, thanh hung, thanh trung
thanh dung » thanh duong, thanh tung, thanh hung
dung cong » dung trong
cong doan » cong dan, cong hoan, dong doanh
doan phan » doanh phan, toan phan, dan phan
tac dung » sach dung, xay dung, tin dung
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sach - ((thanh nung) or (thanh dung)) tac dung cong doan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - ((thanh nung) OR (thanh dung)) tac dung cong doan phan cau.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - ((thanh nung) or (thanh dung)) tac dung cong doan phan cau*.