Perhaps you should try some spelling variations:
sach tham » sach nha
hanh lai » hanh lam, hanh tai, thanh lap
xuc van » duc van, luc van, vuc van
lai cua » dai cua, hai cua, lai chau
cuc ban » cua ban, cac ban, cuu ban
hieu va » lieu va, hieu qua
sach ty » sach y, sach tu, sach thu
lang xa » lang ha, dang xay, lang van
cua tre » cua te, cuu tre, cua triet
va cam » va cham, va cac, va cao

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach ty) or (sach tham)) lang xa hoi. hieu va cam ((xuc van) or (cuc ban)) hanh lai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ty) OR (sach tham)) lang xa hoi. hieu va cam ((xuc van) OR (cuc ban)) hanh lai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) or (sach tham)) lang xa hoi. hieu va cam ((xuc van) or (cuc ban)) hanh lai cua tre*.