Perhaps you should try some spelling variations:
khong truong » hong truong, khong trong, thuong truong
nganh khong » nganh cong, nhanh chong, nganh nong
hoc nganh » hoc nhanh
truong va » truong dai, truong cao, truong dao
sach hoc » cach hoc, sach hoi, mach hoc
phan van » thanh van, luan van, tran van
so sach » so sanh, bo sach, co sach
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
va hoi » xa hoi, va hoc, va hoa

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

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