Google randomly ignores "search term in quotes".
Related:examplesite.com used to work well. Now, it's better to use sites like alternativeto.net.
~phrase is unnecessary because but google searches for synonyms by default
phrase1 + phrase2 - Google randomly ignores it. I use it this way +compulsoryTerm
Although rare, there are things I simply can't find using Google. But Bing would. If Google keeps it up, other search engines would benefit.