Perhaps you should try some spelling variations:
nganh hang » ngan hang, nhanh thang, nganh thanh
hoc nganh » hoc nhanh
tinh hoc » sinh hoc, tin hoc, hinh hoc
cuu dong » cuu cong, cuu tong, cuu long
dong hoc » dong co, dong luc
phan dan » phan dang, phan dau, nhan dan
tu tinh » tru tinh, tu tin, thue tinh
va phan » van phan, va phat, va phap

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu tinh hoc tap, nghien cuu dong hoc nganh hang ((hoc xa) or (hoc ma)) hoi va phan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu tinh hoc tap, nghien cuu dong hoc nganh hang ((hoc xa) OR (hoc ma)) hoi va phan dan.
• Adding a wildcard symbol may retrieve word variants: tu tinh hoc tap, nghien cuu dong hoc nganh hang ((hoc xa) or (hoc ma)) hoi va phan dan*.