Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
cua hang » cua dang, cua nhung, cua cong
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
toan cao » toan ban, toan tap

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