Perhaps you should try some spelling variations:
nuoc sach » nguoi sach, hoc sach, cuoc cach
doc sach » hoc sach, toc sach, bo sach
xuc tuan » duc thuan, quoc tuan, xuan tuan
xang xa » lang xa, mang xa, ang xa
hieu va » lieu va, hieu qua
anh dai » vanh dai, anh bai, anh dat
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.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((((doc sach) OR (dac sac))) OR (nuoc sach)) ty xang xa hoi. hieu va cam xuc tuan anh dai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((doc sach) OR (dac sac))) or (nuoc sach)) ty xang xa hoi. hieu va cam xuc tuan anh dai cua tre~".
• Adding a wildcard symbol may retrieve word variants: ((((doc sach) OR (dac sac))) or (nuoc sach)) ty xang xa hoi. hieu va cam xuc tuan anh dai cua tre*.