Perhaps you should try some spelling variations:
vanh dai » van dai, vanh tai, lanh dao
tu sach » thu sach, te sach, tu cach
xa vanh » xa vinh, xa van, xa thanh
cam tuc » cam xuc, cam tu, nam thuc
hieu va » lieu va, hieu qua
cua tre » cua te, cuu tre, cua triet
su sach » so sach, vu sach
so hai » son hai, su hai, so ha
va cam » va cham, va cac, va cao
o hai » co hai, o lai, _ hai

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: ((tu sach) OR (su sach)) ky nang ((o hai) OR (so hai)). hieu va cam tuc xa vanh dai cua tre~.
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (su sach)) ky nang ((o hai) or (so hai)). hieu va cam tuc xa vanh dai cua tre*.