Perhaps you should try some spelling variations:
te sach » toc sach
cam tuc » cam xuc, nam thuc, dam thuc
hang di » hang doi, hang vi, hang dien
sach ty » sach y, sach tu, sach thu
cua tre » cua te, cuu tre, cua triet
hieu va » lieu va, hieu qua
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
cam tu » cam thu, nam tu, dam 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 ty nang xa hoi. hieu va ((cam tuc) OR (cam tu)) van ((hang di) OR (hanh vi)) cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty nang xa hoi. hieu va ((cam tuc) OR (cam tu)) van ((hang di) or (hanh vi)) cua tre~".
• Adding a wildcard symbol may retrieve word variants: te sach ty nang xa hoi. hieu va ((cam tuc) OR (cam tu)) van ((hang di) or (hanh vi)) cua tre*.