Perhaps you should try some spelling variations:
"social works" » "social work's", "social worka", "social worlds", "social yorks"
"social yorks" » "social work's", "social worka", "social worker"
"social workers" » "social yorkers"
"social work" » "social york"

Try widening your search to All Fields.

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