Perhaps you should try some spelling variations:
hieu lang » chieu sang, hieu quang, nhieu tang
manh tung » manh hung, thanh tung
van khang » van khanh, van thanh, van quang
khang cau » hang cau, khang cu, khang chan
hoi hieu » hoi phieu, hoi tieu, moi hieu
cua dang » cua cong
cong van » cong vang, cong san, song van

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoi hieu lang - manh tung ((cua dang) or (cua ban)) cong van khang cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoi hieu lang - manh tung ((cua dang) OR (cua ban)) cong van khang cau*.