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
sach hoc » cach hoc, sach hoi, mach hoc
cuu nang » chuc nang, cam nang, cuu van
nang hoc » nang doc, nang luc, dong hoc
nhan van » nhan dan, nhan va, nha van
phan van » pham van, thanh van, luan van
tu sach » thu sach, su sach, te sach
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 sach hoc tap, nghien cuu nang hoc nganh khong hoc xa hoi va ((nhan van) or (phan van))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach hoc tap, nghien cuu nang hoc nganh khong hoc xa hoi va ((nhan van) OR (phan van)).
• Adding a wildcard symbol may retrieve word variants: tu sach hoc tap, nghien cuu nang hoc nganh khong hoc xa hoi va ((nhan van) or (phan van))*.