Perhaps you should try some spelling variations:
nhanh khong » nhanh chong, nganh khong, nhan khong
hoc nhanh » hoc nganh, hoc phan
thu sach » tu sach, thuat sach, thuoc sach
sach hoc » cach hoc, sach hoi, mach hoc
thuoc xa » thuoc ma, thuoc va, thuoc tai
thuoc la » thuoc ma, thuoc va, thuoc tai
nhan van » nhan dan, nhan va, phan van
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
va nhan » van nhan, ca nhan, va phan

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach hoc tap, nghien cuu mon hoc nhanh khong ((thuoc xa) OR (thuoc la)) hoi va nhan van~".
• Adding a wildcard symbol may retrieve word variants: thu sach hoc tap, nghien cuu mon hoc nhanh khong ((thuoc xa) OR (thuoc la)) hoi va nhan van*.