Perhaps you should try some spelling variations:
"elite politicas publicad." » "elite politica publica.", "elite politica publicas.", "elite politicos republica.", "elites politicas publicad.", "elite politica publicad.", "elite politico publicad."
"serie politicas publicas." » "serie policiaca publicas.", "serie politicas publica.", "serie politicas public.", "serie politicas publico."
"sobre politica pablo." » "sobre politicas pablo.", "sobre politica para.", "sobre colica pablo.", "sobre politica al."

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