Perhaps you should try some spelling variations:
"social networkss" » "social network's", "social networkers", "social network", "social networksss"
"social york" » "social worka", "social you", "social your"
"social networks" » "social networkss"
"social work" » "social works"

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