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