Perhaps you should try some spelling variations:
"serie policiaca publica." » "serie politica publicas.", "serie politicas publicad.", "serie politico publico."
"elites politicas publicas." » "limites politicos publicas.", "las politicas publicas.", "ideas politicas publicas."
"sobre politica publica." » "sobre politicas publica."

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 ("elites politicas publicas."))) or ("sobre politica publica."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie policiaca publica.") OR ("elites politicas publicas."))) OR ("sobre politica publica.")).
• Removing quotes may allow a broader search: (((( serie policiaca publica. ) or ( elites politicas publicas. ))) or ( sobre politica publica. )).
• Adding a wildcard symbol may retrieve word variants: (((("serie policiaca publica.") or ("elites politicas publicas."))) or ("sobre politica publica."))*.