Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh do » thanh de, thanh pho, thanh hoa
thu sach » tu sach, thuat sach, thuoc sach
cham xuc » cam xuc, chat xuc, cham soc
qua cham » qua hai, qua cac, va cham
so sach » so sanh, bo sach, co sach
xuc van » duc van, luc van, vuc van
lang ha » long ha
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet
do cua » doi cua, co cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((so sach) or (thu sach)) ty ((nang xa) or (lang ha)) hoi. hieu qua cham xuc van thanh do cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (thu sach)) ty ((nang xa) OR (lang ha)) hoi. hieu qua cham xuc van thanh do cua tre.
• Adding a wildcard symbol may retrieve word variants: ((so sach) or (thu sach)) ty ((nang xa) or (lang ha)) hoi. hieu qua cham xuc van thanh do cua tre*.