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