Perhaps you should try some spelling variations:
thanh trung » thanh tung
quang thanh » quan thanh, hoang thanh, muong thanh
mot chieu » ho chieu
doi chieu » doc hieu, doi chi, ho chieu
trung tac » trung tam, trong tac, trung tai
tac dung » sach dung, xay dung, tin dung
qua than » qua thanh, qua phan, qua tan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (doi chieu)) xanh - thanh trung tac dung trong ((qua than) or (quang thanh)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (doi chieu)) xanh - thanh trung tac dung trong ((qua than) OR (quang thanh)) ban.
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (doi chieu)) xanh - thanh trung tac dung trong ((qua than) or (quang thanh)) ban*.