Perhaps you should try some spelling variations:
nang xa » nang x, lang xa, nang ma
qua coc » qua cac, qua co, qua con
luc van » luoc van, luu van, duc van
cua tre » cua te, cuu tre, cua triet
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
anh va » hanh va
anh ve » hanh ve, anh viet, thanh ve

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky nang xa hoi. hieu qua coc luc van ((anh va) or (anh ve)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang xa hoi. hieu qua coc luc van ((anh va) OR (anh ve)) cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang xa hoi. hieu qua coc luc van ((anh va) or (anh ve)) cua tre*.