Perhaps you should try some spelling variations:
cham xuc » cam xuc, chat xuc, cham soc
dang xay » dang van, van xay
sach ky » sac ky, sach y, sach ty
lai cua » dai cua, hai cua, lai chau
va danh » va dinh, va dan, dia danh
va hanh » van hanh, va thanh, ban hanh
so sach » so sanh, bo sach, co sach
va cham » va chat, va tham
hieu va » lieu va, hieu qua
cua tre » cua te, cuu tre, cua triet

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: so sach ky ((nang x) OR (dang xay)) hoi. hieu va cham xuc ((va hanh) OR (va danh)) lai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ky ((nang x) or (dang xay)) hoi. hieu va cham xuc ((va hanh) OR (va danh)) lai cua tre~".
• Adding a wildcard symbol may retrieve word variants: so sach ky ((nang x) or (dang xay)) hoi. hieu va cham xuc ((va hanh) OR (va danh)) lai cua tre*.