Allhud.net,ushud.com, and zillow all have the same info for free. Bank of America had there own site as does FHA. They do require that you work with a realtor and be pre-qualified to do business with them.
I would definatly contact a realtor though. It can be a complicated process.... more
There are many reasons, and those reasons may be confidential and the listing agent is not able to share it with the public. So move onto the next wonderful property ad don't dwell on what might have been. Best of luck in your search, it you are in need of help feel free to contact me!