Try youtube to see if it actually exists then go on google and search lyrics printable sheet music for (the song you want)
I Can't Find Free Printable Sheet Music For Apologize By One Republic , Can You Help?
I had the same problem for weeks but I found a very help full site if you haven't already found it the site is WWW.SHEETMUSICPALACE.COM the only problem is is that it is only sheet music if you can't read piano music your not really going to find tabs for this song well hope it works and enjoy the song