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