Perhaps you should try some spelling variations:
thanh trung » thanh tung
nhung cong » dung cong, thong cong, nhung don
thanh toan » thanh hoa, thanh san, tinh toan
theo hieu » theo chieu, theo tieu, thien hieu
hieu lang » chieu sang, hieu quang, nhieu tang
trung hoc » trung quoc
hang cong » dang cong, hang nong, bang cong
toan ban » van 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 - thanh trung hoc ((nhung cong) or (hang cong)) thanh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo hieu lang - thanh trung hoc ((nhung cong) OR (hang cong)) thanh toan ban.
• Adding a wildcard symbol may retrieve word variants: theo hieu lang - thanh trung hoc ((nhung cong) or (hang cong)) thanh toan ban*.