Google Top 10 Search Tips by Karen Blakeman.
From the post:
These are the top 10 tips from the participants of a recent workshop on Google, organised by UKeiG and held on 9th April 2014. The edited slides from the day can be found on authorSTREAM at http://www.authorstream.com/Presentation/karenblakeman-2121264-making-google-behave-techniques-better-results/ and on Slideshare at http://www.slideshare.net/KarenBlakeman/making-google-behave-techniques-for-better-results
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Ten search tips from the trenches. Makes a very nice cheat sheet.