Perhaps you should try some spelling variations:
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
doanh khoa » toan khoa
hoa doanh » toan doanh, hoa dan
doan phan » doanh phan, toan phan, dan phan
thu minh » thi minh, vu minh
cong hoa » dong hoa, dong hoc, hang hoa
khoa hoc » hoa hoc
hoc doan » hoc dan, hoc dai, hoc phan
phan van » pham van, thanh van, luan van
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: ((thu minh) or (chi minh)) hoc tap, nghien thu cong hoa doanh khoa hoc mon hoc doan phan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu minh) OR (chi minh)) hoc tap, nghien thu cong hoa doanh khoa hoc mon hoc doan phan van.
• Adding a wildcard symbol may retrieve word variants: ((thu minh) or (chi minh)) hoc tap, nghien thu cong hoa doanh khoa hoc mon hoc doan phan van*.