Perhaps you should try some spelling variations:
ban hanh » ban hang
cuu tre » cua tre, cau tren, cau treo
nang xa » nang x, lang xa, nang ma
van cam » van nam, van cau, van dam
dai cuu » dai cua, dai huu
van lam » van nam
va dinh » van dinh, va kinh, va tinh
te san » te ban, ke san, tu san
san ky » sang ky, van ky, dan ky

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 san ky nang xa hoi. hieu ((van cam) OR (van lam)) tu ((ban hanh) OR (va dinh)) dai cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te san ky nang xa hoi. hieu ((van cam) OR (van lam)) tu ((ban hanh) or (va dinh)) dai cuu tre~".
• Adding a wildcard symbol may retrieve word variants: te san ky nang xa hoi. hieu ((van cam) OR (van lam)) tu ((ban hanh) or (va dinh)) dai cuu tre*.