Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung chan » trung phan, trong chan, trung can
doi chieu » doc hieu, doi chi, mot chieu
chan dung » van dung, dan dung
thanh lap » thanh san, phan lap, thanh hai
ho chieu » theo chieu, hoc thieu, mot chieu
cong ban » cong bang, cong tan, cong dan
cong san » cong tac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (doi chieu)) xanh - thanh trung chan dung ((cong ban) OR (cong san)) thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) xanh - thanh trung chan dung ((cong ban) OR (cong san)) thanh lap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (doi chieu)) xanh - thanh trung chan dung ((cong ban) OR (cong san)) thanh lap".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chieu)) xanh - thanh trung chan dung ((cong ban) OR (cong san)) thanh lap*.