Perhaps you should try some spelling variations:
ban hang » ngan hang
te sach » toc sach
hang vi » hang va, hanh vi, hang di
xuc ban » duc ban, cuc ban, quoc ban
ve chat » va chat, van chat
ve cham » va cham, vu cham, ve chim
ky dang » ky nang, ky danh
ky sang » ky nang, ky tang, duy sang
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, xa hoi, ma hoa
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: te sach ((ky sang) OR (ky dang)) ma hoi. hieu ((ve cham) OR (ve chat)) xuc ban hang vi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ky sang) or (ky dang)) ma hoi. hieu ((ve cham) OR (ve chat)) xuc ban hang vi cua tre~".
• Adding a wildcard symbol may retrieve word variants: te sach ((ky sang) or (ky dang)) ma hoi. hieu ((ve cham) OR (ve chat)) xuc ban hang vi cua tre*.