i have charges that is not on my account

See your purchase history in the App Store or iTunes Store [iOS, computer, or web] - Does not include purchases made by others under Family Sharing; those have to be checked from their accounts.

http://support.apple.com/HT204088

Also read this link -->

If you see ‘itunes.com/bill‘ or an unfamiliar charge on your bank, credit card, or debit statement - https://support.apple.com/HT201382 - "Before you contact Apple to request a refund for a charge you don't recognize"...

Did you read step 5 in the link I provided?

Contact Apple Support

If you followed the steps above and you didn't find out why you were charged, contact Apple Support.