Perhaps you should try some spelling variations:
nguoi sach » nguoi san, nuoc sach
thuoc sach » hoc sach, nuoc sach, thuat sach
hanh de » hanh ve, hanh kem
hieu va » lieu va, hieu qua
cuu tre » cua tre, cau tren, cau treo
dang xa » dang xay, lang xa, dang ha
su dang » su dung
luc va » duc va, loc va
tuc va » thuc va, truc va, tuc xa
de cuu » de cua
va cao » va cac, va co, va dao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((nguoi sach) or (thuoc sach)) su dang xa hoi. hieu va cao ((luc va) or (tuc va)) hanh de cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((nguoi sach) OR (thuoc sach)) su dang xa hoi. hieu va cao ((luc va) OR (tuc va)) hanh de cuu tre.
• Adding a wildcard symbol may retrieve word variants: ((nguoi sach) or (thuoc sach)) su dang xa hoi. hieu va cao ((luc va) or (tuc va)) hanh de cuu tre*.