Perhaps you should try some spelling variations:
"sobre politica publicad." » "sobre politicas publicad.", "sobre politica publica.", "sobre politicas publicas."
"serie politicas publica." » "serie politicas publicas.", "serie politicas publicad.", "serie politica publica.", "serie policiaca publica."
"elite politica publicas." » "elite politicas publicas.", "elite politica publica.", "elite politica publicaciones.", "elites politicas publicas.", "etica politica publicas.", "entre politica publicas."

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