Perhaps you should try some spelling variations:
hanh doanh » hang doanh, chinh doanh, doanh doanh
doanh luan » doanh nhan
nhu phuong » thu phuong, nhung phuong, thu huong
thi phuong » thi truong
hanh luan » khanh luan, hang luan, hanh luat
cot lieu » vat lieu, so lieu, cu lieu
luan han » luan hoan, luan phan, luan van
co lieu » co hieu, so lieu, cu lieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((co lieu) OR (cot lieu)) tinh - hanh doanh luan ((nhu phuong) or (thi phuong)) hanh luan han~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((co lieu) OR (cot lieu)) tinh - hanh doanh luan ((nhu phuong) OR (thi phuong)) hanh luan han.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((co lieu) OR (cot lieu)) tinh - hanh doanh luan ((nhu phuong) or (thi phuong)) hanh luan han".
• Adding a wildcard symbol may retrieve word variants: ((co lieu) OR (cot lieu)) tinh - hanh doanh luan ((nhu phuong) or (thi phuong)) hanh luan han*.