Perhaps you should try some spelling variations:
doanh thuong » anh thuong, dinh thuong, dong thuong
thieu xanh » chieu xanh, thien anh, thien danh
hieu manh » chieu xanh, hieu nganh, dieu hanh
nang luan » tang luan, hang luan, nang quan
anh nang » ganh nang, anh bang, anh dang
van luan » van quan, van tuan, von luan
luan ban » luan van, luan san, luan han

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - anh nang luan ((doanh thuong) OR (doan phuong)) van luan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (hieu manh)) - anh nang luan ((doanh thuong) OR (doan phuong)) van luan ban~".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (hieu manh)) - anh nang luan ((doanh thuong) OR (doan phuong)) van luan ban*.