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