Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
cham xuc » cam xuc, chat xuc, cham soc
xay hoi » xa hoi, tay hoi, cay phoi
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
danh vi » hanh vi, danh di, danh va
dinh vi » dinh ve, dinh viet, dinh tri
cua tre » cua te, cuu tre, cua triet
sach o » sach lo, sac o, sach y
xuc va » duc va, tuc va, luc va
o van » vo van, so van, do van

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 van xay hoi. hieu ve cham xuc va ((danh vi) OR (dinh vi)) cua tre~.
• Adding a wildcard symbol may retrieve word variants: toc sach o van xay hoi. hieu ve cham xuc va ((danh vi) or (dinh vi)) cua tre*.