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