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 xa » nang x, lang xa, nang ma
long ha » dong ha, cong ha, dong hoa
xuc van » duc van, luc van, vuc van
cua tre » cua te, cuu tre, cua triet
su mai » su tai, su hai, tu mai
su dai » sau dai, si dai, su tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su mai) or (su dai)) ky ((nang xa) or (long 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 mai) OR (su dai)) ky ((nang xa) OR (long ha)) hoi. hieu qua cham xuc van dung tri cua tre.
• Adding a wildcard symbol may retrieve word variants: ((su mai) or (su dai)) ky ((nang xa) or (long ha)) hoi. hieu qua cham xuc van dung tri cua tre*.