Perhaps you should try some spelling variations:
ban hanh » ban hang
te sach » toc sach
ky dang » ky nang, ky danh
ky tang » ky nang, kho tang, ky trong
va cham » va chat, va tham
xuc ban » duc ban, cuc ban, quoc ban
cua tre » cua te, cuu tre, cua triet
va cam » va cac, va cao, va cai
vi cua » vai cua, di cua

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((ky dang) or (ky tang)) xa hoi. lieu ((va cam) OR (va cham)) xuc ban hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ky dang) OR (ky tang)) xa hoi. lieu ((va cam) OR (va cham)) xuc ban hanh vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((ky dang) or (ky tang)) xa hoi. lieu ((va cam) OR (va cham)) xuc ban hanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ((ky dang) or (ky tang)) xa hoi. lieu ((va cam) OR (va cham)) xuc ban hanh vi cua tre*.