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