Perhaps you should try some spelling variations:
"sobre politica publicas." » "sobre politica publica.", "sobre politica publicaciones."
"serie politica publicaa." » "serie politica publica.", "serie politicas publicad.", "serie politica republicana.", "serie politicas publicaa.", "serie policiaca publicaa.", "elite politica publicaa."
"sobre politicas publicas." » "serie politicas publicas."

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