Perhaps you should try some spelling variations:
"elites politicas juan." » "limites politicos juan.", "las politicas juan.", "ideas politicas juan.", "elites politica juan.", "elites politico juan.", "elites politicas diana."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "serie policiaca publica.", "sobre politica publica."
"elites politico del." » "elite politico del.", "elite politica del.", "delitos politicos del.", "elites politico de.", "elites politica del.", "elites politicas del."

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

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