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 policiaca publica." » "serie politica publicas.", "serie politicas publicas.", "serie politicas publicad."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "sobre politica publica.", "elite politica publica."

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 ((("serie politica publica.") or ("serie policiaca publica."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("limites politicos juan.") OR ((("serie politica publica.") OR ("serie policiaca publica."))))*.
• Removing quotes may allow a broader search: (( limites politicos juan. ) or ((( serie politica publica. ) or ( serie policiaca publica. ))))*.