Perhaps you should try some spelling variations:
"sobre politicas publica." » "sobre politicas publicas.", "sobre politicas publicad.", "sobre politica publica.", "sobre politicas publicasa.", "sobre politicas publicada.", "sobre politica publicaa."
"serie politicas public." » "serie politicas publicas.", "serie politicas publicad.", "serie politica publica.", "serie policiaca public.", "serie policiacas public.", "sobre politicas public.", "elite politicas public."
"serie politica publico." » "serie politica publica.", "serie politico publico.", "serie politica publicas.", "serie policiaca publico.", "sobre politica publico.", "elite politica publico."

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