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