Perhaps you should try some spelling variations:
"sobre politica publicas." » "sobre politicas publicas.", "sobre politica publicaciones.", "sobre politicas publicass."
"serie policiacas public." » "serie politicas publicas.", "serie politicas publicad.", "serie policiaca public.", "serie politicas public.", "series politicas public."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "serie policiaca publica.", "elite politica publica."

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 politica publicas."))) or ("serie policiacas public."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie politica publica.") OR ("sobre politica publicas."))) OR ("serie policiacas public.")).
• Removing quotes may allow a broader search: (((( serie politica publica. ) or ( sobre politica publicas. ))) or ( serie policiacas public. )).
• Adding a wildcard symbol may retrieve word variants: (((("serie politica publica.") or ("sobre politica publicas."))) or ("serie policiacas public."))*.