Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
thanh dung » thanh duong, thanh tung, thanh hung
doi chieu » doc hieu, doi chi, ho chieu
cong lang » cong vang, cong luong, cong quang
cua tong » cua cong, cua dong, cua song
cua nong » cua cong, cuu nong, cua dong
cong san » cong tac
than cau » toan cau, phan cau, than cap

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - thanh dung ((cua tong) OR (cua nong)) ((cong san) OR (cong lang)) than cau~.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - thanh dung ((cua tong) or (cua nong)) ((cong san) or (cong lang)) than cau*.