Google has announced two updates to results pages
Longer snippets to search results
With implementation of new Google search algorithm, snippets length is increased. So now search result will show more of posts which have all the keywords. Probably this might change how your website appears in search result and with implication of new search algorithm we will see more useful results.
More and better search refinements
“Starting today, we’re deploying a new technology that can better understand associations and concepts related to your search, and one of its first applications lets us offer you even more useful related searches (the terms found at the bottom, and sometimes at the top, of the search results page).“