The keys are:
- (filetype:pdf OR filetype:doc) - only show me actual documents in either of these formats. This trick works really well when you are searching for content on a wide variety of things, often I add in filetype:ppt as well to find presentations.
- (RFP OR "Request for Proposal") - find either of these terms
- (LCMS OR "Learning Content Management System") - find either of these terms
If you string these together in Google, you will find documents that give you suggestions what go in RFPs as well as actual RFPs that people have on the web. You have to scan down a bit, but it's well worth the effort.