Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
hieu van » hieu va, thien van, lieu va
van phat » va phat, van chat, van phan
phat day » phap day, phan day, phan dau
hanh lai » hanh lam, hanh tai, thanh lap
sach ty » sach y, sach tu, sach thu
va hanh » van hanh, va thanh, va danh
lai cua » dai cua, hai cua, lai chau
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, ma hoa, me hoi

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: thuoc sach ty xang ((ma hoi) OR (xa hoi)). hieu van phat day va hanh lai cua tre~.
• Adding a wildcard symbol may retrieve word variants: thuoc sach ty xang ((ma hoi) or (xa hoi)). hieu van phat day va hanh lai cua tre*.