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

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