Perhaps you should try some spelling variations:
van vanh » van anh, van hanh, van manh
vanh tai » van tai, hanh tai, anh tai
tu sach » thu sach, su sach, te sach
hieu va » lieu va, hieu qua
cac xuc » cam xuc, cac nuoc, chat xuc
xuc van » duc van, luc van, vuc van
tai cuu » tai cuc, tai buu, tai cua
cuu tre » cua tre, cau tren, cau treo
y nang » ky nang, ly nang, v nang
co hai » co dai, co hoi, so hai
o hai » so hai, o lai, _ hai

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 y nang ((o hai) or (co hai)). hieu va cac xuc van vanh tai cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang ((o hai) OR (co hai)). hieu va cac xuc van vanh tai cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu sach y nang ((o hai) or (co hai)). hieu va cac xuc van vanh tai cuu tre*.