Perhaps you should try some spelling variations:
theo chieu » ho chieu, theo chu, thi chieu
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan tap » toan ban

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