Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
hieu lang » chieu sang, hieu quang, nhieu tang
van thanh » ban thanh, van tuan
thanh tap » thanh lap, thanh tai, thanh tay
cua dong » chua dong, cua cong, cua dang
hoa cong » cua cong, va cong, hoa co
vo hieu » co hieu, va hieu, cao hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: vo hieu lang - hanh doanh ((cua dong) or (hoa cong)) phung van thanh tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vo hieu lang - hanh doanh ((cua dong) OR (hoa cong)) phung van thanh tap.
• Adding a wildcard symbol may retrieve word variants: vo hieu lang - hanh doanh ((cua dong) or (hoa cong)) phung van thanh tap*.