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

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