Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
dung cong » dung trong
gian chau » gian cham, gian cua, gian cac
ho chieu » hoc thieu, doi chieu, mot chieu
tranh va » tranh van, trang va, trinh va
cong dan » cong san, cong tan, huong dan
gian cau » gian cac, gian cam, gian cu
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: ((ho chieu) or (theo chieu)) tinh - canh tranh va dung cong dan ((gian cau) OR (gian chau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) tinh - canh tranh va dung cong dan ((gian cau) OR (gian chau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (theo chieu)) tinh - canh tranh va dung cong dan ((gian cau) OR (gian chau))".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) tinh - canh tranh va dung cong dan ((gian cau) OR (gian chau))*.