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