Perhaps you should try some spelling variations:
hoc nhanh » hoc phan
sach hoc » cach hoc, sach hoi, mach hoc
khoa hoc » hoa hoc
phan van » pham van, thanh van, luan van
te sach » toc sach
cuu mon » cuu mo, cuu mot, cuu cong
va phan » van phan, 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.

• If you are trying to use Boolean operators, they must be ALL CAPS: te sach hoc tap, nghien cuu mon ((hoc nganh) OR (hoc nhanh)) khoa hoc ma hoi va phan van~.
• Adding a wildcard symbol may retrieve word variants: te sach hoc tap, nghien cuu mon ((hoc nganh) or (hoc nhanh)) khoa hoc ma hoi va phan van*.