Perhaps you should try some spelling variations:
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "serie policiaca publica.", "sobre politica publica."
"elites politico juan." » "elite politico juan.", "elites politicas juan.", "elite politica juan.", "elites politica juan.", "elites politico en.", "elites politico la."
"ideas politicas juan." » "las politicas juan.", "ideologias politicas juan.", "ideas politica juan.", "ideas politicas diana.", "ideas politicas jaume."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("elites politico juan.") or ("ideas politicas juan."))) or ("serie politica publica."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("elites politico juan.") OR ("ideas politicas juan."))) OR ("serie politica publica."))*.
• Removing quotes may allow a broader search: (((( elites politico juan. ) or ( ideas politicas juan. ))) or ( serie politica publica. ))*.