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