Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
cham xuc » cam xuc, chat xuc, cham soc
hieu va » lieu va, hieu qua
va cham » va chat, va tham
va danh » va dan, va hanh, dia danh
va dinh » van dinh, va kinh, va tinh
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
vi cua » vai cua, di cua
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 cham xuc ((va danh) OR (va dinh)) vi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach y nang x hoi. hieu va cham xuc ((va danh) OR (va dinh)) vi cua tre".
• Adding a wildcard symbol may retrieve word variants: toc sach y nang x hoi. hieu va cham xuc ((va danh) OR (va dinh)) vi cua tre*.