Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
theo hieu » theo chieu, theo tieu, thien hieu
hieu lang » chieu sang, hieu quang, nhieu tang
san thanh » ban thanh, van thanh, son thanh
thanh lap » thanh san, phan lap, thanh hai
tung cua » trung cua, tuong cua, dung cua
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: theo hieu lang - thanh ((tung cua) or (dung luan)) nhung cong san thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo hieu lang - thanh ((tung cua) OR (dung luan)) nhung cong san thanh lap.
• Adding a wildcard symbol may retrieve word variants: theo hieu lang - thanh ((tung cua) or (dung luan)) nhung cong san thanh lap*.