AG Holder claimed that they had turned over relevant documents... there is this whole spin doctoring of whether DOJ cooperated or not...
It would have helped their PR cause if more docs had been turned over. When they talk about the 7,600 documents they turned over - they make it sound like it was a herculean effort to produce an encyclopedic trove of documents. They're doing the best they can with it but it's lipstick on a pig considering the number of documents requested.
IMO, the bulk of the documents requested contain damaging evidence. If DOJ could have turned over any more documents to bolster their claim of cooperation - they certainly would have.