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

You may be able to get more results by adjusting your search query.

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