Perhaps you should try some spelling variations:
thanh dung » thanh duong, thanh tung, thanh hung
dung quang » dang quang, dung quan, luong quang
quang dung » quang trung, ung dung, cuong dung
cong van » cong vang, song van, cong tan
cong san » cong tac
toan cao » toan ban, toan tap
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo tieu) or (doi chi)) xanh - thanh dung quang dung ((cong van) or (cong san)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo tieu) OR (doi chi)) xanh - thanh dung quang dung ((cong van) OR (cong san)) toan cao.
• Adding a wildcard symbol may retrieve word variants: ((theo tieu) or (doi chi)) xanh - thanh dung quang dung ((cong van) or (cong san)) toan cao*.