Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh thanh, dong doanh
doanh hoan » doanh khoa, doanh nhan, doanh luan
nhan dang » nhan dan, phan dang, tran dang
dang khoa » dung khoa, hang khoa, dang khoi
tieu than » tieu nhan, tieu tham, tieu chuan
luan ket » lien ket
qua tieu » luan tieu
kinh » dinh, minh

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

• Performing a fuzzy search may retrieve terms with similar spellings: nhan dang khoa luan ket qua tieu than kinh ((doanh hoan) OR (doanh doanh)) hien~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "nhan dang khoa luan ket qua tieu than kinh ((doanh hoan) OR (doanh doanh)) hien".
• Adding a wildcard symbol may retrieve word variants: nhan dang khoa luan ket qua tieu than kinh ((doanh hoan) OR (doanh doanh)) hien*.