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