Perhaps you should try some spelling variations:
theo chieu » ho chieu, theo chu, thi chieu
dung cong » dung trong
dan thanh » dang thanh, danh thanh, ban thanh
thanh cac » hanh cac, thanh bac, thanh ca
tranh va » tranh van, trang va, trinh va
cong dan » cong san, cong tan, huong dan
va dung » van dung, va duong, vat dung

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) or (theo tieu)) tinh - canh tranh va dung cong dan thanh cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo tieu)) tinh - canh tranh va dung cong dan thanh cac.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo tieu)) tinh - canh tranh va dung cong dan thanh cac*.