Perhaps you should try some spelling variations:
canh doanh » hanh doanh, chinh doanh, doanh doanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
doanh cua » doanh luan
trong van » trong cac
hoc hieu » hoc thieu, hoc hien, doc hieu
cua dang » cua cong, cua ban
cong van » cong vang, song van, cong tan
cong san » cong tac
ban ban » ban banh, van ban, can ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu manh - canh doanh cua dang ((((cong van) or (cong san))) or (trong van)) ban ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu manh - canh doanh cua dang ((((cong van) OR (cong san))) OR (trong van)) ban ban.
• Adding a wildcard symbol may retrieve word variants: hoc hieu manh - canh doanh cua dang ((((cong van) or (cong san))) or (trong van)) ban ban*.