Perhaps you should try some spelling variations:
doanh khoa » toan khoa
doanh phan » doanh nhan, doanh thanh, doanh luan
hoa doanh » toan doanh, hoa dan
doan phan » toan phan, dan phan, doanh nhan
minh hoc » sinh hoc, hinh hoc, tinh hoc
cuu cong » cua cong, thu cong, cac cong
cong hoa » dong hoa, dong hoc, hang hoa
khoa hoc » hoa hoc
tu minh » thu minh, vu minh, thi minh
hoc mon » hoc moi, hoc mot, hoc cong
mon hoc » toan hoc, dong hoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu minh hoc tap, nghien cuu cong hoa doanh khoa hoc mon hoc ((doan phan) OR (doanh phan)) van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu minh hoc tap, nghien cuu cong hoa doanh khoa hoc mon hoc ((doan phan) OR (doanh phan)) van".
• Adding a wildcard symbol may retrieve word variants: tu minh hoc tap, nghien cuu cong hoa doanh khoa hoc mon hoc ((doan phan) OR (doanh phan)) van*.