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