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