If the rebuild log failed, it's game over. That's the absolute last resort and there's nothing else that can be done.
Try the data recovery tool (yes, you'll have to buy it), but don't expect that it will recover everything, it may well not recover anything at all.
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability