Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
cham xuc » cam xuc, chat xuc, cham soc
hieu sau » hieu su, hieu suat, tieu su
lang van » dang van, tang van, hoang van
van hoi » van hoa, van hoc, van hoe
hieu vu » hieu va, hieu ve, hieu su
sach lo » sach dao, sach doi, sach hoi
lo lang » o lang, so lang, le lang
danh vi » hanh vi, danh di, danh va
dinh vi » dinh ve, dinh viet, dinh tri
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: toc sach lo lang van hoi. ((hieu vu) OR (hieu sau)) cham xuc va ((danh vi) OR (dinh vi)) cua tre~.
• Adding a wildcard symbol may retrieve word variants: toc sach lo lang van hoi. ((hieu vu) or (hieu sau)) cham xuc va ((danh vi) or (dinh vi)) cua tre*.