Perhaps you should try some spelling variations:
"social petworks" » "social networks", "social network's", "social network"
"social metwork" » "social network", "social networks", "social netword"
"social york" » "social work", "social worka", "social you"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("social metwork") OR ("social petworks"))) OR ("social york")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"social metwork\") OR (\"social petworks\"))) or (\"social york\"))".
• Removing quotes may allow a broader search: (((( social metwork ) OR ( social petworks ))) or ( social york )).
• Adding a wildcard symbol may retrieve word variants: (((("social metwork") OR ("social petworks"))) or ("social york"))*.