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