Add "conference proceedings" or "conference papers" to your search in these databases to bring back conference materials.
Scopus contains over 5 million conference proceedings
Academic Search Complete has an extensive catalogue of conferences from around the world.
Covers technical, computer and management conference proceedings.
The following resources provide information produced by the UK government and its agencies.
Once you click on the link search for the topic you are interested in eg. social media.
Here you can find:
DART-Europe is a partnership of research libraries and library consortia who are working together to improve global access to European research theses.