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