Perhaps you should try some spelling variations:
thanh trong » thanh trung, tranh trong, hanh trong
doi chieu » doc hieu, mot chieu, thi chieu
trong van » trong cac
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, mot chieu
van dung » van dong, xay dung, tin dung
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than man » than ma, thanh san, tran manh
doi chi » doi khi

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 chieu) OR (((doi chieu) OR (doi chi)))) sang - thanh trong van dung cong dan than man~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (((doi chieu) OR (doi chi)))) sang - thanh trong van dung cong dan than man~".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (((doi chieu) OR (doi chi)))) sang - thanh trong van dung cong dan than man*.