Perhaps you should try some spelling variations:
"serie policiaca publicas." » "serie politica publicas.", "serie politicas publicas.", "serie politicas publicad."
"elites politicas publica." » "elites politicas publicas.", "elites politicas publicad.", "elites politica publicas.", "limites politicos publica.", "las politicas publica.", "ideas politicas publica."
"entre politica publica." » "entre politicas publicas.", "sobre politica publica."

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: (("serie policiaca publicas.") or ((("elites politicas publica.") or ("entre politica publica."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("serie policiaca publicas.") OR ((("elites politicas publica.") OR ("entre politica publica.")))).
• Removing quotes may allow a broader search: (( serie policiaca publicas. ) or ((( elites politicas publica. ) or ( entre politica publica. )))).
• Adding a wildcard symbol may retrieve word variants: (("serie policiaca publicas.") or ((("elites politicas publica.") or ("entre politica publica."))))*.