Perhaps you should try some spelling variations:
"serie politica publicaa." » "serie politica publica.", "serie politica publicas.", "serie politicas publicas.", "serie politicas publicaa.", "serie policiaca publicaa.", "elite politica publicaa."
"sobre politica publicaa." » "sobre politica publica.", "sobre politica publicas.", "sobre politicas publicas."
"sobre politicas public." » "sobre politicas publicas.", "sobre politicas publicad.", "sobre politica publica.", "serie politicas 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: (("sobre politicas public.") or ((("serie politica publicaa.") OR ("sobre politica publicaa."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("sobre politicas public.") OR ((("serie politica publicaa.") OR ("sobre politica publicaa.")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"sobre politicas public.\") or (((\"serie politica publicaa.\") OR (\"sobre politica publicaa.\"))))".
• Removing quotes may allow a broader search: (( sobre politicas public. ) or ((( serie politica publicaa. ) OR ( sobre politica publicaa. )))).
• Adding a wildcard symbol may retrieve word variants: (("sobre politicas public.") or ((("serie politica publicaa.") OR ("sobre politica publicaa."))))*.