Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, anh khoa
doanh khoa » toan khoa
cach thoi » cac thoi, cach thuc, cach noi
nhan van » nhan dan, nhan va, phan van
thoi tap » toi tap, hoc tap, thoi dai
dai khoi » dai hoi, dai khoa, mai khoi
va nhan » van nhan, ca nhan, va phan
khoi va » hoi va, khi va, choi va
tu cach » tu cac
hoc dai » hoc dan
mon hoc » toan hoc, dong hoc
cuu mon » cuu mo, cuu mot, cuu cong

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 thoi tap, nghien cuu mon hoc ((nganh khoa) or (doanh khoa)) hoc dai khoi va nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach thoi tap, nghien cuu mon hoc ((nganh khoa) OR (doanh khoa)) hoc dai khoi va nhan van.
• Adding a wildcard symbol may retrieve word variants: tu cach thoi tap, nghien cuu mon hoc ((nganh khoa) or (doanh khoa)) hoc dai khoi va nhan van*.