Perhaps you should try some spelling variations:
cach hoc » cach thuc, cach thoi, dich hoc
hoc ngan » hoc nganh, boc ngan, hoc nga
nhan dan » phan dau, gian dan, nhan tai
tu cach » tu cac
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
va nhan » van nhan, ca nhan, va phan

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

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