Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
canh trang » canh tranh, hanh trang, banh trang
cong thanh » dong thanh, cong trinh, truong thanh
trang va » tran van, hang va
va thong » va thuong, va phuong, he thong
cong tan » cong tac, cong san, 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: cho ((chieu xanh) or (chieu tinh)) - canh trang va thong ((cong tan) OR (cong thanh)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho ((chieu xanh) OR (chieu tinh)) - canh trang va thong ((cong tan) OR (cong thanh)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho ((chieu xanh) or (chieu tinh)) - canh trang va thong ((cong tan) OR (cong thanh)) toan cau".
• Adding a wildcard symbol may retrieve word variants: cho ((chieu xanh) or (chieu tinh)) - canh trang va thong ((cong tan) OR (cong thanh)) toan cau*.