Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, kieu tinh
chau tinh » cuu tinh, ha tinh, cua tinh
hanh dong » anh dong, ha dong
dong luan » dung luan, tong luan, dong xuan
luan hung » luan chung, lan hung, luan ung
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 (chau tinh)) - hanh dong luan hung ((cong san) or (cong tac)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu tinh) OR (chau tinh)) - hanh dong luan hung ((cong san) OR (cong tac)) toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu tinh) or (chau tinh)) - hanh dong luan hung ((cong san) or (cong tac)) toan cau*.