Perhaps you should try some spelling variations:
theo chinh » thien chinh, te chinh, che chinh
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh luan » trinh luan, trinh luat, doanh luan
luan hung » luan chung, lan hung, luan ung
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
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 chinh sach - hanh tranh luan hung ((cong tan) or (cong tac)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chinh sach - hanh tranh luan hung ((cong tan) OR (cong tac)) toan tap.
• Adding a wildcard symbol may retrieve word variants: theo chinh sach - hanh tranh luan hung ((cong tan) or (cong tac)) toan tap*.