Facebook search results seems to more better than that of other search engine. Facebook is now plugging open graph enable pages into Facebook search results.
Understanding its working
Facebook Open graph tools is directly connected to Like button of the webpage. The method is quite different from the likes of Goolge bceacuse traditional search engine rely on an indexing system, Facebook is betting on their like button.
Here's how it works: You stumble across an open-graph enabled webpage. You Like the webpage. Now the webpage will show up in your Facebook search results. Obviously, this capability will cause more publishers to optimize their sites for Facebook, and more Facebook users to Like what they like.
Read more about Facebook Open Graph Search Result
Seo May be possible with open graph
Facebook’s Open Graph Personalizes the Web