Google is a bit like marmite you either love it or hate it, but no-one can argue that as an organisation they do really try to deliver the best results for your search criteria and it does keep getting better and better.
I just want to show you two areas that I use a lot in Google to help me find relevant information, the first is called the Wonder Wheel. Now as I am a fan of mind-mapping and rather use this method to organise my life over a list I just love the wonder wheel as it works in exactly the same principle