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