Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
cham hoi » cham voi, cham h'roi, pham hoai
bai cua » ban cua, dai cua, bai ca
anh bai » sach bai, danh bat, hinh bai
van anh » van thanh, tuan anh, van minh
sach ty » sach y, sach tu, sach thu
hieu ve » hieu va, hieu van
tay hoi » tay ho, tao hoi, tay thai
may hoi » may thoi, mai hoi, may hmi
ty mang » ty xang, ty hang, tin mang
cam lo » nam lo, cam ly, cam o
cua te » cua tu

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: thuat sach ty mang ((may hoi) OR (tay hoi)). hieu ve ((cham hoi) OR (cam lo)) van anh bai cua te~.
• Adding a wildcard symbol may retrieve word variants: thuat sach ty mang ((may hoi) or (tay hoi)). hieu ve ((cham hoi) or (cam lo)) van anh bai cua te*.