Perhaps you should try some spelling variations:
nang noi » nang doc
cham xuc » cam xuc, chat xuc, cham soc
vanh dai » vanh tai, lanh dao, van dao
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang co » nang cao, nang doc, nang hoc
va cham » va chat, va tham
van dai » van dao, van hai, can dai
cua tre » cua te, cuu tre, cua triet
xuc va » duc va, tuc va, luc va

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: tu sach ky ((nang co) OR (nang noi)) hoi. lieu va cham xuc va ((vanh dai) OR (van dai)) cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky ((nang co) or (nang noi)) hoi. lieu va cham xuc va ((vanh dai) OR (van dai)) cua tre~".
• Adding a wildcard symbol may retrieve word variants: tu sach ky ((nang co) or (nang noi)) hoi. lieu va cham xuc va ((vanh dai) OR (van dai)) cua tre*.