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Try submitting a request at http://goo.gl/nt3Pz

But make sure your site is in full guidelines with google .

CAN BE 3 possibilities

Google take is copied content , but being on same url it will resolve and serps will be back in a few days

Google considering work is being done agiain serps will be back in a few days

Penguin Update hit , try to fix and fill this form and go on holdays , wont be fixed for while .

https://docs.google.com/spreadsheet/viewform?formkey=dEVxdmdRWFJRTjRoLWZVTHZkaTBQbkE6MQ&ndplr=1

Might be its to do with new google over optimization update .