Perhaps you should try some spelling variations:
"social projections and labor" » "social projection and labor", "social protection and labor", "social production and labor"
"local projections and labor" » "local projection and labor", "axonal projections and labor", "fiscal projections and labor"
"social protections and labor" » "social protection and labor", "social protecting and labor"

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