Perhaps you should try some spelling variations:
hieu lang » chieu sang, hieu quang, nhieu tang
manh tung » manh hung, thanh tung
cong vang » cong lang, cong quang, cong ngang
vang hang » van hang, hang hang, nang hang
hoi hieu » hoi phieu, hoi tieu, moi hieu
cua dang » cua cong
hang cau » hang dau, hang ca, nhung cau

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 vang hang 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 vang hang cau*.