Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
hanh tranh » canh tranh, hanh trinh, hanh trang
thi chien » thi hien, thi thien, thien chien
tranh cua » doanh cua, manh cua
cua dung » cua dang, cua dong, qua dung
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
than cap » khan cap, thanh lap, thanh cac

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 (thi chien)) xanh - hanh tranh cua dung ((cong dan) OR (cong tan)) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (thi chien)) xanh - hanh tranh cua dung ((cong dan) OR (cong tan)) than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (thi chien)) xanh - hanh tranh cua dung ((cong dan) OR (cong tan)) than cap".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (thi chien)) xanh - hanh tranh cua dung ((cong dan) OR (cong tan)) than cap*.