Perhaps you should try some spelling variations:
hoc nganh » hoc nhanh
nganh hoa » thanh hoa, khanh hoa, danh hoa
nhan dann » nhan dang, phan dang, nhac dan
cach hoc » cach thuc, cach thoi, dich hoc
cuu dong » cuu cong, cuu tong, cuu long
dong hoc » dong co, dong luc
hoa chau » khoa chau, hoa chat, ha chau
nhan dan » phan dau, gian dan, nhan tai
so cach » so sach, co cach, loi cach
hoc xa » hoc ma
xa hoa » xa khoa, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: so cach hoc tap, nghien cuu dong hoc nganh hoa hoc xa hoa chau ((nhan dann) or (nhan dan))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so cach hoc tap, nghien cuu dong hoc nganh hoa hoc xa hoa chau ((nhan dann) OR (nhan dan)).
• Adding a wildcard symbol may retrieve word variants: so cach hoc tap, nghien cuu dong hoc nganh hoa hoc xa hoa chau ((nhan dann) or (nhan dan))*.