Perhaps you should try some spelling variations:
"sobre politica publicas." » "sobre politicas publicas.", "sobre politica publicaciones.", "sobre politicas publicass."
"existen politica publica." » "existen politicas publica.", "decision politica publica.", "exilio politica publica.", "existen politicas publicas."
"elite politico publica." » "elite politico publico.", "elite politicos republica.", "elite politicas publicas.", "elite politica publica.", "delito politico publica.", "elites politicas publica."

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