When you deleted files from recycle bin, the files just got erased, BUT not permanently. The first thing you should do is probably STOP immediately using the drive the file deleted, if you want to increase a little bit chances of recovery. Then find some tools from this sitehttp://www.easeus.com/resource/recover-deleted-recycle-bin-files.htm, Hope it can helps find missing items.

May be you can try this data recovery software. if you are not sure, you can free download this free version to have a try.
http://local-easeus.com/datarecoverywizard/free-data-recovery-software.htm

I had a similar situation. I lost my family photos for I format my disk carelessly. At that time, I do want to kill myself. Some friends recommend my one data recovery software, thx god, I get them all back. Now, I use the free backup tool to backup them. Some photos on our computer, like the pictures of our family are very precious for us. If someday they lost just because we format the disk or delete them carelessly, we will feel very sad. So backup our precious data is important. We can use the tool in the windows or some free software to backup them.
http://www.easeus.com/datarecoverywizard/recover-formatted-partition.htm

firfox absolutely

I believed you have solved your problem. But here I like to share this  article how to merge partition without data loss hoping to can help you all guys.
http://www.partition-tool.com/easeus-partition-manager/merge-partition.htm