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
cua nhung » va nhung
toc hieu » toc thieu, doc hieu, hoc thieu
song van » hoang van, trong van, duong van
cong san » cong tac
phan dau » phan tu, hang dau

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

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