Perhaps you should try some spelling variations:
nganh thong » nganh khong, nganh cong, nhanh chong
nghien cac » nghiep cach, nghien cuu, nghiep cay
hoc nganh » hoc nhanh
thong hoc » thuong hoc, tuong hoc, thong hoa
sach hoc » cach hoc, sach hoi, mach hoc
cac cong » cua cong
cong hoc » dong hoc, cong hoa, cong coc
van phan » van phong, van thanh, luan phan
tu sach » thu sach, su sach, te sach
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: tu sach hoc tap, nghien cac cong hoc nganh thong hoc xa hoi ((va nhan) or (van phan)) van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach hoc tap, nghien cac cong hoc nganh thong hoc xa hoi ((va nhan) OR (van phan)) van.
• Adding a wildcard symbol may retrieve word variants: tu sach hoc tap, nghien cac cong hoc nganh thong hoc xa hoi ((va nhan) or (van phan)) van*.