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

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