Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
van hanh » van thanh, ban hanh, van anh
chat huu » pham huu
chat xuc » cam xuc, chao xu, chat cua
sach ty » sach y, sach tu, sach thu
cua tre » cua te, cua triet, dua tren
cuu tre » cau tren, cau treo
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang

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: toc sach ty nang xa hoi. hieu ve ((chat xuc) OR (chat huu)) van hanh vi ((cua tre) OR (cuu tre))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ty nang xa hoi. hieu ve ((chat xuc) or (chat huu)) van hanh vi ((cua tre) OR (cuu tre))~".
• Adding a wildcard symbol may retrieve word variants: toc sach ty nang xa hoi. hieu ve ((chat xuc) or (chat huu)) van hanh vi ((cua tre) OR (cuu tre))*.