Perhaps you should try some spelling variations:
"sobre politica publicas." » "sobre politicas publicas.", "sobre politica publica.", "sobre politica publicaciones.", "sobre politica publicaas.", "sobre politico publicoas.", "sobre politicas publicasas."
"serie politica publicaa." » "serie politica publica.", "serie politicas publicas.", "serie politicas publicad.", "serie politica publicaaa.", "serie politico publicoaa.", "serie politicas publicasaa.", "serie politicas publicaa.", "serie policiaca publicaa."
"elite politica public." » "elite politica publica.", "elite politico publico.", "elite politicas publicas.", "elites politicas public.", "etica politica public.", "entre politica public."

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