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 » cam nang, cuu van, cao nang
nhan van » nhan dan, nhan va, phan van
tu sach » thu sach, su sach, te sach
va nhan » van nhan, ca nhan, va phan
hoc xa » hoc ma
chuc » thuc, chu, chua

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach hoc tap, nghien ((cuu nang) OR (chuc nang)) hoc nganh khong hoc xa hoi va nhan van~".
• Adding a wildcard symbol may retrieve word variants: tu sach hoc tap, nghien ((cuu nang) OR (chuc nang)) hoc nganh khong hoc xa hoi va nhan van*.