Recover deleted messages and photo

Me was use iphone 6 few month back and it was stollen by sme person that who dont want the truth come out.recently me buy new iphone and use my id the messages and photo gone .how come the can simply open my apple id and it was setup 2 step verification and got some more app vault ..hope me get back the messages and photo cous of this a truth and honest person get punishment without do any wrong hope me get back and show the truth was