Perhaps you should try some spelling variations:
doanh phan » doanh nhan, doan phan, doanh thanh
dat quang » dau quang, chat quang, dang quang
dung khoa » dung cho
phan hien » phat hien, phan kien, phan bien
tan dung » tran dung, tin dung, van dung
dat luan » dan luan, dau luan, bai luan
tieu thu » trieu thi, tieu su
thu kinh » thu minh, thuat kinh, nha kinh

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