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