Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
cong thanh » dong thanh, cong trinh, truong thanh
lan hung » van hung, luan chung, lan phuong
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 lan » va lang, va lanh, van lan

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 (chieu tinh)) - tinh va lan 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 (chieu tinh)) - tinh va lan hung ((cong tan) OR (cong thanh)) toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chieu tinh)) - tinh va lan hung ((cong tan) or (cong thanh)) toan cau*.