Perhaps you should try some spelling variations:
thuat doanh » thuat toan, luat doanh, thuat lanh
thiet thuat » thien thuat, chien thuat, trien thuat
doanh danh » doanh doanh, doanh anh, doanh thanh
hang khoa » dung khoa
ban hang » ngan hang
ket luan » ket qua, te luan, ket doan
dat luan » dan luan, dau luan, dat quang
danh hoc » dan hoc, danh hoa, anh hoc
hien » bien, vien, hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ban hang khoa luan ((ket luan) OR (dat luan)) thiet thuat doanh danh hoc hien~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ban hang khoa luan ((ket luan) OR (dat luan)) thiet thuat doanh danh hoc hien".
• Adding a wildcard symbol may retrieve word variants: ban hang khoa luan ((ket luan) OR (dat luan)) thiet thuat doanh danh hoc hien*.