Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
manh tran » manh toan, manh tuan, canh tranh
tuan hang » tuan hoang, tuan bang, tuan hung
tuan dang » tran dang, tuan bang, tuan dung
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cau » toan cau, phan cau, than cap

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 - manh tran ((tuan hang) or (tuan dang)) cong tac than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - manh tran ((tuan hang) OR (tuan dang)) cong tac than cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - manh tran ((tuan hang) or (tuan dang)) cong tac than cau*.