Perhaps you should try some spelling variations:
dung khoa » dung cho
luan tieu » luan thiet
doanh van » doanh va, doanh ban, doanh nhan
tan dung » tran dung, tin dung, van dung
luan dat » luat dat, luan dac, luan day
dat luan » dan luan, dau luan, dat quang
tieu thu » trieu thi, tieu su
thu kinh » thu minh, thuat kinh, nha kinh
doan van » doan va, hoang van, luan van

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 khoa luan dat luan tieu thu kinh ((doanh van) OR (doan van)) hien~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tan dung khoa luan dat luan tieu thu kinh ((doanh van) OR (doan van)) hien".
• Adding a wildcard symbol may retrieve word variants: tan dung khoa luan dat luan tieu thu kinh ((doanh van) OR (doan van)) hien*.