Perhaps you should try some spelling variations:
"limites politicos juan." » "lideres politicos juan.", "debates politicos juan.", "limites juridicos juan.", "limites politico juan.", "limites politicas juan.", "limites politicos un."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "serie policiaca publica.", "sobre politica publica."
"elites politico la." » "elite politico la.", "elites politicas la.", "elite politica la.", "elites politico de.", "elites politico en.", "elites politico del."

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

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