Do any or all the charges display when you review your recent purchases here,
https://reportaproblem.apple.com/
Charges display per item. Receipts or statements sent by Apple may display multiple items as a single purchase. Purchases generally are taxable and you must take that into consideration.
If you need to request a refund, instructions are provided at the link below,
If you want to cancel a subscription from Apple - Apple Support
Request a refund for apps or content that you bought from Apple - Apple Support
If the items do not appear after reviewing the above articles and links, there is a high likely hood your credit card was compromised, the details used by the scammers to purchase goods and/or services from Apple. Apple will review requests for assistance from local law enforcement. Please report the fraud to your local police. Most likely the details were skimmed when the card was used at an ATM or chip inserted or swiped at a transaction terminal.
If additional assistance is required from Apple Support, please use the links below to contact Apple Support. If you’re in the US please call 1-800-MY-APPLE or outside the US, consult the support articles below.
Contact Apple for support and service - Apple Support
Live Chat with an Apple Advisor in Messages.
Live Chat not available in all countries and regions.