Perhaps you should try some spelling variations:
ban hanh » ban hang
cham xuc » cam xuc, chat xuc, cham soc
te sach » toc sach
xuc ban » duc ban, cuc ban, quoc ban
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
ky dang » ky nang, ky danh
ky tang » ky nang, kho tang, ky trong
ky sang » ky nang, duy sang
vi cua » vai cua, di cua
ma hoi » mai hoi, xa hoi, ma hoa

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 tang))) OR (ky dang)) ma hoi. hieu ve cham xuc ban hanh vi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((((ky sang) OR (ky tang))) or (ky dang)) ma hoi. hieu ve cham xuc ban hanh vi cua tre~".
• Adding a wildcard symbol may retrieve word variants: te sach ((((ky sang) OR (ky tang))) or (ky dang)) ma hoi. hieu ve cham xuc ban hanh vi cua tre*.