Perhaps you should try some spelling variations:
nhanh dong » nhanh chong, anh dong, nhan dang
hanh dong » anh dong, ha dong
sach hoc » cach hoc, sach hoi, mach hoc
toi pham » tac pham, vi pham, thi phap
tu sach » thu sach, su sach, te sach
cuu mon » cuu mo, cuu mot, cuu cong
mon hoc » toan hoc, dong hoc
hoa toi » hoa doi, hoa moi, hoa hoi
luc ma » luc va, luc ha, suc ma

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 dong) OR (hanh dong)) luc ma hoa toi pham van~.
• Adding a wildcard symbol may retrieve word variants: tu sach hoc tap, nghien cuu mon hoc ((nhanh dong) or (hanh dong)) luc ma hoa toi pham van*.