Perhaps you should try some spelling variations:
qua cham » qua hai, qua cac, va cham
cham xuc » cam xuc, chat xuc, cham soc
van dung » van dong, xay dung, tin dung
dung tri » dung tai, dung tren, dung sai
nang ma » tang ma, sang ma, nang cao
lang ha » long ha
xuc van » duc van, luc van, vuc van
cua tre » cua te, cuu tre, cua triet
su sai » su tai, su hai, su dai
sai ky » sac ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sai ky ((nang ma) or (lang ha)) hoi. hieu qua cham xuc van dung tri cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sai ky ((nang ma) OR (lang ha)) hoi. hieu qua cham xuc van dung tri cua tre.
• Adding a wildcard symbol may retrieve word variants: su sai ky ((nang ma) or (lang ha)) hoi. hieu qua cham xuc van dung tri cua tre*.