Perhaps you should try some spelling variations:
"sobre politicas publicas." » "sobre politica publicas.", "serie politicas publicas.", "sobre politicas public.", "sobre politicas publico."
"elite politica publica." » "elites politicas publica.", "etica politica publica.", "entre politica publica."
"elite politico juan." » "delito politico juan.", "elites politicas juan.", "debate politico juan.", "elite politica juan.", "elite politico en.", "elite politico la."

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