Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
khong hoc » khung hoc, thong hoc, khong thuoc
toc sach » hoc sach, thuoc sach, nuoc sach
doc sach » hoc sach, nuoc sach, dac sac
cu nganh » cua nganh, cau nganh, chuc nganh
nhan van » nhan dan, nhan va, phan van
cong cu » chung cu
va nhan » van nhan, ca nhan, va phan
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: ((toc sach) or (doc sach)) hoc tap, nghien thu cong cu nganh khong hoc xa hoi va nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sach) OR (doc sach)) hoc tap, nghien thu cong cu nganh khong hoc xa hoi va nhan van.
• Adding a wildcard symbol may retrieve word variants: ((toc sach) or (doc sach)) hoc tap, nghien thu cong cu nganh khong hoc xa hoi va nhan van*.