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
ganh sang » ganh nang, lanh sang, doanh sang
cua nhung » va nhung
anh sang » lanh sang, anh bang, anh dang
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan tap » toan ban

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 - ((anh sang) or (ganh sang)) cua nhung cong san toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo hieu lang - ((anh sang) OR (ganh sang)) cua nhung cong san toan tap.
• Adding a wildcard symbol may retrieve word variants: theo hieu lang - ((anh sang) or (ganh sang)) cua nhung cong san toan tap*.