Perhaps you should try some spelling variations:
theo chieu » ho chieu, theo chu, thi chieu
dung cong » dung trong
thanh cac » hanh cac, thanh ca, tranh cac
thanh bac » nhanh bac, thanh bai, thanh san
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) OR (thanh bac))~.
• 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) OR (thanh bac)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (theo tieu)) tinh - canh tranh va dung cong dan ((thanh cac) OR (thanh bac))".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo tieu)) tinh - canh tranh va dung cong dan ((thanh cac) OR (thanh bac))*.