Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
dang xay » dang van, van xay
van hanh » van thanh, ban hanh, van anh
sach xo » sach xa, sach lo, sach xu
xo dang » cao dang
xay hoi » xa hoi, tay hoi, cay phoi
thi van » thi lan, thi hanh, thi nang
nam xuc » cam xuc, nam xua, nam thuc
nam qua » nam quan, nam cua, nam mua
cua tre » cua te, cuu tre, cua triet
vi cua » vai cua, di cua

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: thu sach xo dang xay hoi. thi van ((nam xuc) OR (nam qua)) van hanh vi cua tre~.
• Adding a wildcard symbol may retrieve word variants: thu sach xo dang xay hoi. thi van ((nam xuc) or (nam qua)) van hanh vi cua tre*.