Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
hoc nganh » hoc nhanh
khong hoc » khung hoc, thong hoc, khong thuoc
cach hoc » cach thuc, cach thoi, dich hoc
sach hoi » sach doi, sach moi, cach thoi
phat van » pham van, phan van, phap van
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
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: tu ((cach hoc) or (sach hoi)) tap, nghien cuu mon hoc nganh khong hoc xa hoi va phat van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((cach hoc) OR (sach hoi)) tap, nghien cuu mon hoc nganh khong hoc xa hoi va phat van.
• Adding a wildcard symbol may retrieve word variants: tu ((cach hoc) or (sach hoi)) tap, nghien cuu mon hoc nganh khong hoc xa hoi va phat van*.