Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
duong cong » dung cong, luong cong, duong trong
doi chieu » doc hieu, doi chi, ho chieu
tuong dai » truong dai, tuong lai, duong dai
dai duong » dai cuong, hai duong, dai luong
san thanh » ban thanh, van thanh, son thanh
thanh cap » thanh lap, hanh cap, than cap
ho thiet » hoc thiet, hoa thiet, hoc thieu
so thiet » soc thiet, hoc thiet, hoa thiet
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 thiet) or (so thiet))) or (doi chieu)) tach - thanh tuong dai duong cong san thanh cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((ho thiet) OR (so thiet))) OR (doi chieu)) tach - thanh tuong dai duong cong san thanh cap.
• Adding a wildcard symbol may retrieve word variants: ((((ho thiet) or (so thiet))) or (doi chieu)) tach - thanh tuong dai duong cong san thanh cap*.