Perhaps you should try some spelling variations:
hoc anh » hoc nganh, hoc nhanh, ngoc anh
ty nang » ky nang, ty xang, ty hang
xuc ban » duc ban, cuc ban, quoc ban
cua tre » cua te, cuu tre, cua triet
anh ty » anh tuy, anh tu, anh ta
ve cam » ve cham, ve cac, ve cai
va cam » va cham, va cac, va cao
anh va » hanh va

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc anh ty nang x ho. hieu ((ve cam) or (va cam)) xuc ban ((hanh vi) or (anh va)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc anh ty nang x ho. hieu ((ve cam) OR (va cam)) xuc ban ((hanh vi) OR (anh va)) cua tre.
• Adding a wildcard symbol may retrieve word variants: hoc anh ty nang x ho. hieu ((ve cam) or (va cam)) xuc ban ((hanh vi) or (anh va)) cua tre*.