Perhaps you should try some spelling variations:
"lideres politicos publica." » "limites politicos publica.", "actores politicos publica.", "lideres politicos republica.", "lideres politicas publicas.", "lideres politicas publicad."
"sobre politicas publica." » "sobre politicas publicas.", "sobre politicas publicad.", "sobre politica publicas.", "serie politicas publica."
"sobre politica publica." » "sobre politicas publicas."

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("lideres politicos publica.") or ((("sobre politica publica.") or ("sobre politicas publica."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("lideres politicos publica.") OR ((("sobre politica publica.") OR ("sobre politicas publica.")))).
• Removing quotes may allow a broader search: (( lideres politicos publica. ) or ((( sobre politica publica. ) or ( sobre politicas publica. )))).
• Adding a wildcard symbol may retrieve word variants: (("lideres politicos publica.") or ((("sobre politica publica.") or ("sobre politicas publica."))))*.