Sorry to hear that the puppy didn't work out for you. I hope you find another one that will be healthy and very happy with you.

On a side note; as a vet assistant I can't count how many times we've had clients come in that were promised vaccination papers etc and the original owner/breeder never did provide them. We just usually assume that there never were any papers to begin with. If someone wants to hold back papers I'd be very leary, or at least demand to see the papers with your own eyes first. JMHO