Perhaps you should try some spelling variations:
"sobre politicas publica." » "sobre politicas publicad.", "sobre politica publica.", "sobre politica publicas."
"serie politicas publicas." » "serie politicas publicads.", "serie politica publicas.", "serie politica publicass.", "serie policiaca publicas.", "serie politicas public."
"serie politico publico." » "serie politica publica.", "serie politica publicas.", "serie politico republicano.", "serie politica publico.", "series political publico.", "series politicas publico."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("serie politico publico.") or ("sobre politicas publica."))) or ("serie politicas publicas."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie politico publico.") OR ("sobre politicas publica."))) OR ("serie politicas publicas."))*.
• Removing quotes may allow a broader search: (((( serie politico publico. ) or ( sobre politicas publica. ))) or ( serie politicas publicas. ))*.