Perhaps you should try some spelling variations:
mot chieu » ho chieu
doi chieu » doc hieu, doi chi, ho chieu
dung cong » dung trong
cong san » cong tac
san dung » van dung, dan dung, lan dung
cong dan » cong tan, huong dan, cong dong
dan tai » van tai, dan thi, han tai
tai cao » thai cao, tao cao, tai sao

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 cong san dung cong dan tai cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (doi chieu)) xanh - thanh cong san dung cong dan tai cao.
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (doi chieu)) xanh - thanh cong san dung cong dan tai cao*.