Perhaps you should try some spelling variations:
tuan thuong » than thuong, toan thuong, thanh thuong
thanh tung » thanh cong
doi chieu » doi chi, ho chieu, mot chieu
tung tuan » trung tuan, hung tuan, quang tuan
doc hieu » toc thieu, hoc thieu, hoc hien
cong ban » cong bang, cong tan, cong dan
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) OR (doc hieu)) xanh - thanh tung tuan thuong ((cong ban) OR (cong san)) than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) OR (doc hieu)) xanh - thanh tung tuan thuong ((cong ban) or (cong san)) than cau~".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) OR (doc hieu)) xanh - thanh tung tuan thuong ((cong ban) or (cong san)) than cau*.