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