Apple keeps charging my credit card for Apple TV I cancel 2 months ago.
Your card statements list the merchant, but not the product. If you see 'apple.com/bill' on your billing statement - Apple Support
The purchase history is where each charge is detailed. View your purchase history for the App Store, iTunes Store, and other Apple media services - Apple Support
If your subscriptions overview lists subscriptions that you do not wish to continue, then you can cancel those. How to cancel a subscription from Apple - Apple Support
If you additionally think that you could qualify for a refund, then you can request that: Request a refund for apps or content that you bought from Apple - Apple Support
Can you refund and make sure I don’t get charge again?
This is a user-to-user forum. You are not addressing Apple here. Best that we can do, is to guide you in the right direction. For more information, visit Subscriptions and Billing - Official Apple Support