Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
duong doi » duong loi, dung doi, huong doi
thu sach » tu sach, thuat sach, thu hoach
cham xuc » cam xuc, chat xuc, cham soc
va duong » van duong, va tuong, va huong
hieu va » lieu va, hieu qua
va cham » va chat, va tham
doi cua » dai cua, hoi cua
cua tre » cua te, cuu tre, cua triet
co hai » co dai, co hoi, o hai
xuc va » duc va, tuc va, luc va
o hoi » co hoi, o hoc, o hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thu sach) or (thuoc sach)) ky nang ((o hoi) or (co hai)). hieu va cham xuc va duong doi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (thuoc sach)) ky nang ((o hoi) OR (co hai)). hieu va cham xuc va duong doi cua tre.
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (thuoc sach)) ky nang ((o hoi) or (co hai)). hieu va cham xuc va duong doi cua tre*.