Are you not getting appropriate results while executing Google search? As you know Google Search is not just about the search box that you see on its homepage. It can provide quick and best results if the queries are entered with suitable parameters.
There are several techniques to filter suitable results as per your need. Google is trying hard to deliver what it thinks is the best as per its search algorithms. In May 2012 was introduced Google Knowledge Graph to fetch encyclopedic information about search queries while searching for specific keywords.
Simply putting the search query in the query box might not be appropriate. This infographic deals with several Google Search techniques which will make your searches simpler and better. Read on ..