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