Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu tinh » trieu tinh, lieu tinh, chau tinh
nhung cong » dung cong, thong cong, hang cong
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
tran chau » tranh chap, tran huu
cong tan » cong tac, cong san, cong thanh
tran cau » toan cau, ran cau, tra cau

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