Perhaps you should try some spelling variations:
khanh nhan » thanh nhan, hanh nhan, khanh thanh
van khanh » van thanh, van hanh, van anh
hieu vien » hieu hien, hieu viec, thieu nien
vien cac » vien bach, vien dai, vien da
nhan cua » nhat cua, nhan luc, nhan su
te sach » toc sach
sach ky » sac ky, sach y, sach ty
cac xuc » cam xuc, cac nuoc, chat xuc
xuc van » duc van, luc van, vuc van
cua tre » cua te, cuu tre, cua triet
co hoi » co hoc, co loi
o hai » co hai, so hai, o lai

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ky nang ((co hoi) or (o hai)). hieu vien cac xuc van khanh nhan cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang ((co hoi) OR (o hai)). hieu vien cac xuc van khanh nhan cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang ((co hoi) or (o hai)). hieu vien cac xuc van khanh nhan cua tre*.