Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
thuoc sach » hoc sach, nuoc sach, thuat sach
hoc nganh » hoc nhanh
khong hoc » khung hoc, thong hoc, khong thuoc
so sach » so sanh, bo sach, co sach
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
va pham » van pham, va phat, va phap
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thuoc sach) or (so sach)) hoc tap, nghien cuu mon hoc nganh khong hoc ma hoi va pham van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thuoc sach) OR (so sach)) hoc tap, nghien cuu mon hoc nganh khong hoc ma hoi va pham van.
• Adding a wildcard symbol may retrieve word variants: ((thuoc sach) or (so sach)) hoc tap, nghien cuu mon hoc nganh khong hoc ma hoi va pham van*.