Perhaps you should try some spelling variations:
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cac xuc » cam xuc, cac nuoc, chat xuc
va dung » van dung, va duong, vat dung
tai cua » thai cua, tai cuc, tri cua
cua tre » cua te, cuu tre, cua triet
su sai » su tai, su dai, su mai
su hai » su tai
xuc va » duc va, tuc va, luc va

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) or (su hai)) ky nang xa hoi. hieu va cac xuc va dung tai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sai) OR (su hai)) ky nang xa hoi. hieu va cac xuc va dung tai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((su sai) or (su hai)) ky nang xa hoi. hieu va cac xuc va dung tai cua tre*.