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

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach ty nang xa hoi. hieu ve ((chat xuc) OR (chat huu)) van hanh vi cua 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".
• 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*.