لماذا سحب مبلغ من بطاقتي الائتمانيه وانا لم اجري اَي شراء؟

I assume that you've gone through the page that you posted from and looked at the purchase histories of all iTunes accounts linked to the card and not found it, and that you've also decided that it's not an authorisation hold (as per the link on that page), in which case you should be contacting the card issuer