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