#4 Consider Alternative Search Engines.
While Google may seem like a comfortable sweater to most of us, there are other search engines that have special features (e.g., protecting your privacy) and are designed to accomplish specific search tasks (e.g., searching for online videos). These articles provide some suggestions:
Seventeen Great Search Engine You Can Use Instead of Google, Search Engine Journal
Six Google Search Alternatives that Respect Your Privacy, USA Today
These five great search engine alternatives do what Google can't, Fast Company
Also, if your search is not fruitful through one search engine, results may (will) differ when you use another. Don't miss out!