Perhaps you should try some spelling variations:
"serie policiacas publica." » "serie politicas publicas.", "serie politicas publicad.", "serie policiaca publica.", "serie politicas publica.", "serie politica publica."
"sobre politica publicas." » "sobre politicas publicas.", "sobre politica publicaciones.", "sobre politicas publicass."
"entre politica publica." » "entre 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: (("serie policiacas publica.") or ((("entre politica publica.") or ("sobre politica publicas."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("serie policiacas publica.") OR ((("entre politica publica.") OR ("sobre politica publicas.")))).
• Removing quotes may allow a broader search: (( serie policiacas publica. ) or ((( entre politica publica. ) or ( sobre politica publicas. )))).
• Adding a wildcard symbol may retrieve word variants: (("serie policiacas publica.") or ((("entre politica publica.") or ("sobre politica publicas."))))*.