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