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