Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, anh khoa
doanh khoa » toan khoa
cach hoc » cach thuc, cach thoi, dich hoc
dai khoi » dai hoi, dai khoa, mai khoi
nhan dan » phan dau, gian dan, nhan tai
tu cach » tu cac
hoc dai » hoc dan
khoi va » hoi va, khi va, choi va
va nhan » van nhan, ca nhan, va phan
mo hoc » mon hoc, co 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 cach hoc tap, nghien cuu mo hoc ((nganh khoa) or (doanh khoa)) hoc dai khoi va nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach hoc tap, nghien cuu mo hoc ((nganh khoa) OR (doanh khoa)) hoc dai khoi va nhan dan.
• Adding a wildcard symbol may retrieve word variants: tu cach hoc tap, nghien cuu mo hoc ((nganh khoa) or (doanh khoa)) hoc dai khoi va nhan dan*.