Perhaps you should try some spelling variations:
doanh phan » doanh nhan, doan phan, doanh thanh
nhat minh » pham minh, nha kinh, nhan sinh
minh khoa » minh hoa, sinh khoa, dinh khoa
luan tieu » luan thiet
phan hien » phat hien, phan kien, phan bien
luan ket » lien ket
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: nhat minh khoa luan ket ((qua tieu) OR (luan tieu)) thu kinh doanh phan hien~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "nhat minh khoa luan ket ((qua tieu) OR (luan tieu)) thu kinh doanh phan hien".
• Adding a wildcard symbol may retrieve word variants: nhat minh khoa luan ket ((qua tieu) OR (luan tieu)) thu kinh doanh phan hien*.