Perhaps you should try some spelling variations:
nhanh chong » thanh cong, khanh phong
nganh cong » thanh cong
sach hoc » cach hoc, sach hoi, mach hoc
tu sach » thu sach, su sach, te sach
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
nhan va » nhan tai, nhan dan, nhan tao
hoc xa » hoc ma
hoi ca » hoi cua, hoi cac, hoi cau

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: tu sach hoc tap, nghien cuu mon hoc ((nhanh chong) OR (nganh cong)) hoc xa hoi ca nhan va~.
• Adding a wildcard symbol may retrieve word variants: tu sach hoc tap, nghien cuu mon hoc ((nhanh chong) or (nganh cong)) hoc xa hoi ca nhan va*.