Perhaps you should try some spelling variations:
tuan thuong » than thuong, toan thuong, thanh thuong
thuong cong » thong cong, thuong con, thuong dong
thanh tung » thanh cong
mot chieu » ho chieu
doi chieu » doc hieu, doi chi, ho chieu
cong san » cong tac
san than » sang than, san thanh, ban than
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: ((mot chieu) OR (doi chieu)) sang - ((thanh trung) OR (thanh tung)) tuan thuong cong san than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((mot chieu) or (doi chieu)) sang - ((thanh trung) OR (thanh tung)) tuan thuong cong san than cau~".
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (doi chieu)) sang - ((thanh trung) OR (thanh tung)) tuan thuong cong san than cau*.