Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
thanh hoa » thanh pho
cach hoc » cach thuc, cach thoi, dich hoc
cau nhan » chau nhan, ca nhan, cu nhan
nhan tai » hang tai, van tai, toan tai
tu cach » tu cac
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hoc cau » hoc cao, hoc cac, hoc can
hoc xa » hoc ma
xa hoc » xa hoi, va hoc, xa hoa

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 ((nganh khong) or (thanh hoa)) hoc xa hoc cau nhan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach hoc tap, nghien cuu mon hoc ((nganh khong) OR (thanh hoa)) hoc xa hoc cau nhan tai.
• Adding a wildcard symbol may retrieve word variants: tu cach hoc tap, nghien cuu mon hoc ((nganh khong) or (thanh hoa)) hoc xa hoc cau nhan tai*.