The normal procedure would be to restore those files from your backup. I assume you don't have one? Very painful way of learning the BACKUP up your SH_T!!! lesson.
If looking to recover photos, I would suggest photorec
If your tool recovered the files, but don't work - most likely parts of the files were over written once you deleted them and that space became available for other files. How long after you deleted them did you try and do the recovery?
Did you install new software onto the disks the files were stored?