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