Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
cham xuc » cam xuc, chat xuc, cham soc
hoi lang » hoa lang, hoi dan
dinh vi » dinh ve, dinh viet, dinh tri
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
xuc va » duc va, tuc va, luc va
o lang » hoa lang

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: toc sach ((o lang) OR (hoi lang)) xa hoi. hieu ve cham xuc va ((hanh vi) OR (dinh vi)) cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ((o lang) OR (hoi lang)) xa hoi. hieu ve cham xuc va ((hanh vi) or (dinh vi)) cua tre~".
• Adding a wildcard symbol may retrieve word variants: toc sach ((o lang) OR (hoi lang)) xa hoi. hieu ve cham xuc va ((hanh vi) or (dinh vi)) cua tre*.