Perhaps you should try some spelling variations:
"sobre politica publicas." » "sobre politica publica.", "sobre politica publicaciones.", "sobre politicas publicas."
"elite politicas publicas." » "elite politicas publicads.", "elite politica publicas.", "elite politicos republicas.", "elites politicas publicas.", "elite politico publicas."
"serie politicas publica." » "serie politicas publicad.", "serie politica publica.", "serie politicos republica.", "serie policiaca publica."

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