Perhaps you should try some spelling variations:
thanh tung » thanh cong
cuong bang » cong bang, muong bang, tuong bang
hieu lang » chieu sang, hieu quang, nhieu tang
cua nhung » va nhung
cong vang » cong quang, cong ngang, cong san
cong lang » cong luong, cong quang, cong ngang
tung cua » trung cua, tuong cua, dung cua
toan ban » van ban
ho hieu » ho chieu, hoi hieu, nho hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - thanh tung cua nhung ((((cong vang) or (cong lang))) or (cuong bang)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - thanh tung cua nhung ((((cong vang) OR (cong lang))) OR (cuong bang)) toan ban.
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - thanh tung cua nhung ((((cong vang) or (cong lang))) or (cuong bang)) toan ban*.