Perhaps you should try some spelling variations:
cham xuc » cam xuc, chat xuc, cham soc
te sach » toc sach
cao hoc » co hoc, cho hoc, chat hoc
hieu va » lieu va, hieu qua
va cham » va chat, va tham
va dinh » van dinh, va tinh, vu dinh
va kinh » va tinh, qua kinh
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
va dan » ca dan, va dao, va dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y nang cao hoc. hieu va cham xuc ((((va dinh) OR (va kinh))) or (va dan)) dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y nang cao hoc. hieu va cham xuc ((((va dinh) OR (va kinh))) OR (va dan)) dai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y nang cao hoc. hieu va cham xuc ((((va dinh) OR (va kinh))) or (va dan)) dai cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach y nang cao hoc. hieu va cham xuc ((((va dinh) OR (va kinh))) or (va dan)) dai cua tre*.