Perhaps you should try some spelling variations:
"sobre politicas publicas." » "sobre politicas publicads.", "sobre politica publicas.", "sobre politica publicass."
"serie politicas publica." » "serie politicas publicad.", "serie politica publica.", "serie politica publicas.", "serie policiaca publica."
"elite politico pabload." » "elite politica pablo.", "elite politico paolo.", "elite politico para.", "elite politica pabload.", "delito politico pabload.", "elites politicas pabload."

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