Perhaps you should try some spelling variations:
nhanh chong » thanh cong, khanh phong
hoc nhanh » hoc nganh, hoc phan
sach hoi » sach doi, sach moi, cach thoi
su sach » so sach, vu sach
hoc bai » hoc giai
hoc dai » hoc dan
choi va » hoi va, chai va, cho va
va nhan » van nhan, ca nhan, va phan
nhan va » nhan tai, nhan dan, nhan tao
mo hoc » mon hoc, co hoc

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: "su sach hoi dap, nghien cuu mo hoc nhanh chong ((hoc bai) OR (hoc dai)) choi va nhan va~".
• Adding a wildcard symbol may retrieve word variants: su sach hoi dap, nghien cuu mo hoc nhanh chong ((hoc bai) OR (hoc dai)) choi va nhan va*.