Perhaps you should try some spelling variations:
"sobre politicas publica." » "sobre politicas publicas.", "sobre politicas publicad.", "sobre politica publicas.", "sobre politicas publicasa.", "sobre politicas publicada.", "sobre politica publicasa.", "sobre politica publica.", "serie politicas publica."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "serie policiaca publica.", "sobre politica publica."
"elite politicas public." » "elite politicas publicas.", "elite politicas publicad.", "elite politica publicas.", "elites politicas public.", "elite politica public.", "elite politico 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 publica.") or ((("serie politica publica.") or ("elite politicas public."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("sobre politicas publica.") OR ((("serie politica publica.") OR ("elite politicas public.")))).
• Removing quotes may allow a broader search: (( sobre politicas publica. ) or ((( serie politica publica. ) or ( elite politicas public. )))).
• Adding a wildcard symbol may retrieve word variants: (("sobre politicas publica.") or ((("serie politica publica.") or ("elite politicas public."))))*.