Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
chat huu » pham huu
ban hanh » ban hang
van hanh » van thanh, van anh, van ban
chat xuc » cam xuc, chao xu, chat cua
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
sach ty » sach y, sach tu, sach thu
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) OR (ban hanh)) vai 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) OR (ban hanh)) vai 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) OR (ban hanh)) vai cua tre*.