Is it possible to recover any big zip file by http://www.recovermyfiles.com/, which became "Poor"?

Data Recover Software Recover My FIles (http://www.recovermyfiles.com/) show the file name and conditions of lost files. My big zip file, which statistic show it "poor", can I recover it? Or, if can recover, will it possible to repair by Zip Repair Software? If yes, can you suggest me any free Zip Repair Software, which can repair big size files?