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