Were you logged in when you made the orders?
To quote Doobiee from an earlier post;
"You could try and find the order page in your browser history. If you do find it. Log in from there an it should link it to your account"
To quote Doobiee from an earlier post;
"You could try and find the order page in your browser history. If you do find it. Log in from there an it should link it to your account"