Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoc nganh » hoc nhanh
cach hoc » cach thuc, cach thoi, dich hoc
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
khoa hoc » hoa hoc
va giang » van giang, va gian, va gianh
ha giang » bai giang, bac giang, ha tang
su cach » su sach, tu cach, su cac
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: su cach hoc tap, nghien cuu cong hoc nganh khoa hoc xa hoi ((va giang) or (ha giang)) day~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cach hoc tap, nghien cuu cong hoc nganh khoa hoc xa hoi ((va giang) OR (ha giang)) day.
• Adding a wildcard symbol may retrieve word variants: su cach hoc tap, nghien cuu cong hoc nganh khoa hoc xa hoi ((va giang) or (ha giang)) day*.