Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
van chat » cao chat
ban hang » ngan hang
tang van » dang van, hoang van, trong van
hang vi » hang va, hanh vi, hang di
xuc ban » duc ban, cuc ban, quoc ban
ve chat » va chat
sach ty » sach y, sach tu, sach thu
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 ty ((nang cao) OR (tang van)) hoi. hieu ((ve chat) OR (van chat)) xuc ban hang vi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ty ((nang cao) or (tang van)) hoi. hieu ((ve chat) OR (van chat)) xuc ban hang vi cua tre~".
• Adding a wildcard symbol may retrieve word variants: thu sach ty ((nang cao) or (tang van)) hoi. hieu ((ve chat) OR (van chat)) xuc ban hang vi cua tre*.