Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
nghien huu » nghien cuu, nguyen huu, nhiem huu
hoc nganh » hoc nhanh
khong hoc » khung hoc, thong hoc, khong thuoc
thu sach » tu sach, thuat sach, thuoc sach
phan dan » phan dang, phan dau, nhan dan
tu cach » tu cac
huu mon » huu son, hau mon, huu mot
mon hoc » toan hoc, dong hoc
va phan » van phan, va phat, va phap
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) or (thu sach)) hoc tap, nghien huu mon hoc nganh khong hoc xa hoi va phan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (thu sach)) hoc tap, nghien huu mon hoc nganh khong hoc xa hoi va phan dan.
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (thu sach)) hoc tap, nghien huu mon hoc nganh khong hoc xa hoi va phan dan*.