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