Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
van dinh » van minh, van dich, xuan dinh
tham xuc » tham nuoc, tham thuc, pham duc
va dinh » va kinh, va tinh, vu dinh
vai cua » dai cua, hai cua, lai cua
va danh » va dan, va hanh, dia danh
hieu va » lieu va, hieu qua
va tham » van tham, va cham, va thanh
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
x hoi » xa hoi, o hoi, x ho

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 y nang x hoi. hieu va tham xuc ((va danh) or (((va dinh) OR (van dinh)))) vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach y nang x hoi. hieu va tham xuc ((va danh) OR (((va dinh) OR (van dinh)))) vai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach y nang x hoi. hieu va tham xuc ((va danh) or (((va dinh) OR (van dinh)))) vai cua tre".
• Adding a wildcard symbol may retrieve word variants: toc sach y nang x hoi. hieu va tham xuc ((va danh) or (((va dinh) OR (van dinh)))) vai cua tre*.