Coverage - Google Help You can browse the citation metrics for the top publications in Google Scholar Metrics to get an overview of the types and sources of papers included, and see Google Scholar help for details on what papers are included The Prior Art Archive project includes old product manuals and announcements from companies around the world These documents
Searching - Google Help You can also enter "exact phrases" and metadata restricts assignee:"Google Inc", inventor:page, and before:2001 Note: inventor and assignee names must be entered using the prefixes If you are looking for prior art, check the "Include non-patent literature" box to include results from Google Scholar