Perhaps you should try some spelling variations:
"serie policiaca publicas." » "serie politicas publicas.", "serie politica publica.", "serie politicas publicad."
"sobre politica publicas." » "sobre politicas publicas.", "sobre politica publica.", "sobre politica publicaciones."
"entre politica publicas." » "entre politicas publicas.", "entre politica publica.", "entre politica publicaciones."

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