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