Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
cong thanh » dong thanh, cong trinh, truong thanh
chau tinh » cuu tinh, ha tinh, cua tinh
luan hung » luan chung, lan hung, luan ung
cong tan » cong tac, cong san, cong ty
toan cau » toan cao, toan ban, toan tap
tinh va » tich va, trinh van, trinh vat
va luan » vay luan, van luan, va quan

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 xanh) or (chau tinh)) - tinh va luan hung ((cong tan) or (cong thanh)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chau tinh)) - tinh va luan hung ((cong tan) OR (cong thanh)) toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chau tinh)) - tinh va luan hung ((cong tan) or (cong thanh)) toan cau*.