Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
nhung huong » nhung phuong, nhung cong, nhung dung
nhung tuong » nhung phuong, hung vuong, nhung cong
thieu manh » hieu manh, tien manh, trieu minh
hanh doanh » hang doanh, chinh doanh, kinh doanh
hoc thieu » toc thieu, hoc hien
dan phan » doan phan, dan chan, van phan

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 manh - ((hanh doanh) or (doanh doanh)) luan ((nhung huong) OR (nhung tuong)) dan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu manh - ((hanh doanh) OR (doanh doanh)) luan ((nhung huong) OR (nhung tuong)) dan phan tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu manh - ((hanh doanh) or (doanh doanh)) luan ((nhung huong) OR (nhung tuong)) dan phan tu".
• Adding a wildcard symbol may retrieve word variants: hoc thieu manh - ((hanh doanh) or (doanh doanh)) luan ((nhung huong) OR (nhung tuong)) dan phan tu*.