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