Perhaps you should try some spelling variations:
"serie politica publicas." » "serie politicas publicas.", "serie politica publicaciones.", "serie politicas publicass.", "serie policiaca publicas.", "sobre politica publicas."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "serie policiaca publica.", "sobre politica publica."
"sobre politicas paz." » "sobre politica paz.", "serie politicas paz.", "sobre politicas para.", "sobre politicas de.", "sobre politicas en."

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 paz.") or ("serie politica publicas."))) or ("serie politica publica."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sobre politicas paz.") OR ("serie politica publicas."))) OR ("serie politica publica.")).
• Removing quotes may allow a broader search: (((( sobre politicas paz. ) or ( serie politica publicas. ))) or ( serie politica publica. )).
• Adding a wildcard symbol may retrieve word variants: (((("sobre politicas paz.") or ("serie politica publicas."))) or ("serie politica publica."))*.