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