Perhaps you should try some spelling variations:
"sobre politicas publica." » "sobre politicas publicas.", "sobre politicas publicad.", "sobre politica publica.", "serie politicas publica."
"elites politicas publica." » "elites politicas publicas.", "elites politicas publicad.", "elites politica publica.", "limites politicos publica.", "las politicas publica.", "ideas politicas publica."
"celis politica publicas." » "celis politicas publicas.", "celis politica publica.", "celis politica publicaciones.", "crisis politica publicas.", "elite politica publicas.", "reis politicas publicas."

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