Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
thanh tung » thanh cong
quan dung » quang dung, quan duong, qua dung
dung cong » dung trong
cong san » cong tac
san toan » van toan, dan toan, manh toan
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: doi ((chieu xanh) or (chieu tinh)) - ((thanh tung) or (thanh thuong)) quan dung cong san toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu tinh)) - ((thanh tung) OR (thanh thuong)) quan dung cong san toan cau.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (chieu tinh)) - ((thanh tung) or (thanh thuong)) quan dung cong san toan cau*.