Perhaps you should try some spelling variations:
ban hanh » ban hang
hanh vai » hanh vi, hanh va, hanh tai
cao hoi » cau hoi, co hoi, cao hoc
van cam » van nam, van cau, van dam
van lam » van nam
xuc ban » duc ban, cuc ban, quoc ban
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
sac ky » sai 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: tu ((sac ky) OR (cac ky)) nang cao hoi. hieu ((van cam) OR (van lam)) xuc ban hanh vai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sac ky) OR (cac ky)) nang cao hoi. hieu ((van cam) or (van lam)) xuc ban hanh vai cua tre~".
• Adding a wildcard symbol may retrieve word variants: tu ((sac ky) OR (cac ky)) nang cao hoi. hieu ((van cam) or (van lam)) xuc ban hanh vai cua tre*.