Perhaps you should try some spelling variations:
te sach » toc sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cam tuc » cam xuc, cam tu, nam thuc
tuc van » thuc van, truc van, tuc va
hang di » hang doi, hang vi, hang dien
cua tre » cuu tre, cua triet, dua tren
va cam » va cham, va cac, va cao
cua te » cua tu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang xa hoi. hieu va cam tuc van ((hang di) OR (hanh vi)) ((cua tre) OR (cua te))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang xa hoi. hieu va cam tuc van ((hang di) or (hanh vi)) ((cua tre) OR (cua te))~".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang xa hoi. hieu va cam tuc van ((hang di) or (hanh vi)) ((cua tre) OR (cua te))*.