Perhaps you should try some spelling variations:
luan tieu » luan thiet
minh doan » minh doanh, minh toan, minh don
doan hoan » doanh hoan, doan chuan, hoan hoang
hoan hien » hoan thien, han hien, hoa hien
tan dung » tran dung, dan dung, tac dung
van dung » van dong, xay dung
luan ket » lien ket
ket luan » ket qua, te luan, dat luan
tieu chi » hieu chi, trien chi, dieu chim

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tan dung) or (((van dung) OR (tin dung)))) khoa luan ket luan tieu chi minh doan hoan hien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tan dung) OR (((van dung) OR (tin dung)))) khoa luan ket luan tieu chi minh doan hoan hien.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tan dung) or (((van dung) OR (tin dung)))) khoa luan ket luan tieu chi minh doan hoan hien".
• Adding a wildcard symbol may retrieve word variants: ((tan dung) or (((van dung) OR (tin dung)))) khoa luan ket luan tieu chi minh doan hoan hien*.