Perhaps you should try some spelling variations:
thanh tung » thanh cong
mot chieu » ho chieu
doi chieu » doc hieu, doi chi, ho chieu
tung van » trung van, tang van, dung van
van dung » van dong, xay dung, tin dung
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
tao cao » bao cao, toan cao

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 tung van dung ((cong dan) OR (cong san)) tao cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (doi chieu)) xanh - thanh tung van dung ((cong dan) OR (cong san)) tao cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((mot chieu) or (doi chieu)) xanh - thanh tung van dung ((cong dan) OR (cong san)) tao cao".
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (doi chieu)) xanh - thanh tung van dung ((cong dan) OR (cong san)) tao cao*.