Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
anh thai » anh thi, anh tai, nhanh thai
thai cua » than cua, tai cuc, tri cua
hieu ve » hieu va, hieu van
cac xuc » cam xuc, cac nuoc, chat xuc
xuc van » duc van, luc van, vuc van
van anh » van thanh, tuan anh, van minh
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
ve cac » va cac, vien cac
o hai » co hai, so hai, o lai
o ha » y ha, _ ha

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach y nang ((o ha) or (o hai)). hieu ve cac xuc van anh thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach y nang ((o ha) OR (o hai)). hieu ve cac xuc van anh thai cua tre.
• Adding a wildcard symbol may retrieve word variants: thu sach y nang ((o ha) or (o hai)). hieu ve cac xuc van anh thai cua tre*.