Perhaps you should try some spelling variations:
tuan thuong » than thuong, toan thuong, thanh thuong
thuong cong » thong cong, thuong con, thuong dong
nhieu tang » chieu sang, nhiet nang
hieu lang » chieu sang, hieu quang, hieu van
thanh tra » thanh toan, thanh hoa
tra tuan » tran tuan, tra quan, tri tuan
ban than » ban thanh, van thanh, ban hang
van than » van thanh, van thang, van tuan

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: ho ((nhieu tang) OR (hieu lang)) - thanh tra tuan thuong cong ((ban than) OR (van than)) cau~.
• Adding a wildcard symbol may retrieve word variants: ho ((nhieu tang) or (hieu lang)) - thanh tra tuan thuong cong ((ban than) or (van than)) cau*.