Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
chieu sang » chieu sach, chieu xanh, hieu lang
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
cua dang » cua cong, cua ban
cong tac » cong ty
toan cau » 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 ((chieu tinh) or (chieu sang)) - hanh tranh cua dang ((cong san) OR (cong tac)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu tinh) OR (chieu sang)) - hanh tranh cua dang ((cong san) OR (cong tac)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu tinh) or (chieu sang)) - hanh tranh cua dang ((cong san) OR (cong tac)) toan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu tinh) or (chieu sang)) - hanh tranh cua dang ((cong san) OR (cong tac)) toan cau*.