Perhaps you should try some spelling variations:
"sobre politicas publico." » "sobre politicas publicas.", "sobre politicas publicad.", "sobre politico publico.", "sobre politicas publicaso.", "sobre politicas publicado.", "sobre politica publicaso.", "sobre politica publico."
"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."

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("sobre politicas publico.") or ((("serie politica publica.") or ("serie politicas public."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("sobre politicas publico.") OR ((("serie politica publica.") OR ("serie politicas public.")))).
• Removing quotes may allow a broader search: (( sobre politicas publico. ) or ((( serie politica publica. ) or ( serie politicas public. )))).
• Adding a wildcard symbol may retrieve word variants: (("sobre politicas publico.") or ((("serie politica publica.") or ("serie politicas public."))))*.