Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
dong duong » tuong duong, cuong duong, dong thong
cong tuan » cong tan, cong luan, cong thanh
tuan dong » tuan duong, quan dong, luan dong
duong dan » duong dang, huong dan, duong van
dan toan » van toan, dan than, 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 sach)) - thanh cong tuan dong duong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (chieu sach)) - thanh cong tuan dong duong dan toan cau*.