Perhaps you should try some spelling variations:
su sach » so sach, vu sach
lai cua » dai cua, hai cua, lai chau
va danh » va dinh, va dan, dia danh
va hanh » van hanh, va thanh, ban hanh
cac xuc » cam xuc, cac nuoc, chat xuc
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
ve cac » va cac, vien cac
y sang » _ sang, duy sang
me hoi » le 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: su sach y sang ((me hoi) OR (xa hoi)). hieu ve cac xuc ((va hanh) OR (va danh)) lai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y sang ((me hoi) or (xa hoi)). hieu ve cac xuc ((va hanh) OR (va danh)) lai cua tre~".
• Adding a wildcard symbol may retrieve word variants: su sach y sang ((me hoi) or (xa hoi)). hieu ve cac xuc ((va hanh) OR (va danh)) lai cua tre*.