Perhaps you should try some spelling variations:
chinh doanh » kinh doanh
thieu xanh » chieu xanh, thien anh, thien danh
doanh luan » doanh nhan
nhung cong » dung cong, thong cong, hang cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
dan toan » van toan, dan than, manh toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((thieu xanh) OR (hieu manh)) - chinh doanh luan ((nhung cong) or (trong cong)) dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thieu xanh) OR (hieu manh)) - chinh doanh luan ((nhung cong) OR (trong cong)) dan toan ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((thieu xanh) OR (hieu manh)) - chinh doanh luan ((nhung cong) or (trong cong)) dan toan ban*".