Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
cua tre » cua te, cua triet, dua tren
hanh ve » hanh vi, hanh va, hanh kem
sach ky » sac ky, sach y, sach ty
cuu tre » cau tren, cau treo
xuc van » duc van, luc van, xuc ban
cac xuc » cam xuc, cac nuoc, chat xuc
qua cac » cua cac
nang xa » nang x, lang xa, nang ma
anh vi » hanh vi, anh va, anh 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 sach ky nang xa hoi. hieu qua cac xuc van ((anh vi) or (hanh ve)) ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang xa hoi. hieu qua cac xuc van ((anh vi) OR (hanh ve)) ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xa hoi. hieu qua cac xuc van ((anh vi) or (hanh ve)) ((cua tre) or (cuu tre))*.