My Apple ID has been disable due to and unauthorized purchase

My Apple ID has been disable due to and unauthorized purchase is telling me to it tells me that I need to return what "I bought" so it sends me to a return policy page and then it sends me to my history transaction to select what "I bought" but there is no transaction there!! There's a drop down option to select how fast back you want to check your transaction history and it goes up to 18 months and nothing appears please help..