Perhaps you should try some spelling variations:
"sobre politicas publicasa." » "sobre politicas publicas.", "sobre politica publicas.", "sobre politicas publicad.", "sobre politicas publicasasa.", "sobre politicas publicadasa.", "sobre politica publicasasa.", "sobre politica publicasa."
"serie politica publica." » "serie politicas publicas.", "serie policiaca publica.", "sobre politica publica.", "elite politica publica."
"serie politicas public." » "serie politicas publicas.", "serie politicas publicad.", "serie politica publicas.", "serie policiaca public.", "serie policiacas public.", "sobre politicas public.", "elite politicas public."

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: (((("sobre politicas publicasa.") OR ("serie politica publica."))) OR ("serie politicas public."))~.
• Removing quotes may allow a broader search: (((( sobre politicas publicasa. ) or ( serie politica publica. ))) or ( serie politicas public. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("sobre politicas publicasa.") or ("serie politica publica."))) or ("serie politicas public."))*.