Perhaps you should try some spelling variations:
doanh thien » doan thien, doanh chien, doanh tien
luan tieu » luan thiet
minh toan » tinh toan, manh toan, minh tuan
ban dung » van dung, tan dung, lan dung
dan dung » van dung, tin dung
luan ket » lien ket
ket luan » ket qua, te luan, dat luan
tieu thu » trieu thi, tieu su
thu minh » thi minh, chi minh, vu minh
ap dung » xay dung, van dung

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: ((ban dung) OR (((dan dung) OR (ap dung)))) khoa luan ket luan tieu thu minh toan doanh thien~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ban dung) or (((dan dung) OR (ap dung)))) khoa luan ket luan tieu thu minh toan doanh thien~".
• Adding a wildcard symbol may retrieve word variants: ((ban dung) or (((dan dung) OR (ap dung)))) khoa luan ket luan tieu thu minh toan doanh thien*.