Hello Elie,
On the off-chance you are able to find this response, 
Go to the My eBay at the top of the page, and under that locate Purchase History.
If you are on your My eBay summary page, you can find Purchase history on the left column
of the page and click on it.
Directly under the Purchases bar where it says Show: click on the word Archived.
Ebay only stores items for a Period of 3 years.
If you have a paypal account your transaction history will show you every item you've ever
bought, and if you save the receipts that come to your regular email you can find items there.
And if you use a credit card you might have all those saved statements.
