Perhaps you should try some spelling variations:
canh doanh » hanh doanh, chinh doanh, doanh doanh
thong cong » trong cong, tong cong, thong thong
hieu lang » chieu sang, hieu quang, nhieu tang
doanh cua » doanh luan
dang cong » dung cong
ho hieu » ho chieu, hoi hieu, nho hieu
ca cac » cua cac, va cac

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 - canh doanh cua ((dang cong) or (thong cong)) dan ca cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - canh doanh cua ((dang cong) OR (thong cong)) dan ca cac.
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - canh doanh cua ((dang cong) or (thong cong)) dan ca cac*.