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 » thong cong, hang cong, nhung don
hieu manh » chieu xanh, hieu nganh, dieu hanh
dung cong » dung trong
tan phan » toan phan, than phan, van phan
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: hoc ((thieu xanh) or (hieu manh)) - chinh doanh luan ((nhung cong) OR (dung cong)) tan phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - chinh doanh luan ((nhung cong) OR (dung cong)) tan phan dau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (hieu manh)) - chinh doanh luan ((nhung cong) OR (dung cong)) tan phan dau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (hieu manh)) - chinh doanh luan ((nhung cong) OR (dung cong)) tan phan dau*.