Perhaps you should try some spelling variations:
"social netyork" » "social metwork", "social netword", "social network's"
"social network" » "social networks", "social netyork"
"social work" » "social works", "social york"
"social networks" » "social networkss", "social netyorks"

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 network") OR ("social netyork"))) OR ("social work"))) OR ("social networks")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"social network\") OR (\"social netyork\"))) or (\"social work\"))) or (\"social networks\"))".
• Removing quotes may allow a broader search: (((((( social network ) OR ( social netyork ))) or ( social work ))) or ( social networks )).
• Adding a wildcard symbol may retrieve word variants: (((((("social network") OR ("social netyork"))) or ("social work"))) or ("social networks"))*.