Perhaps you should try some spelling variations:
"serie politicas public." » "serie politicas publicad.", "serie politica publicas.", "serie politicas pablo.", "serie policiaca public."
"sobre politicas publicas." » "sobre politicas publicadas.", "sobre politica publicasas.", "sobre politicas pabloas.", "sobre politica publicas."
"elite politica publica." » "elites politicas publica.", "etica politica publica.", "entre politica publica."

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: (((("serie politicas public.") OR ("sobre politicas publicas."))) OR ("elite politica publica."))~.
• Removing quotes may allow a broader search: (((( serie politicas public. ) or ( sobre politicas publicas. ))) or ( elite politica publica. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("serie politicas public.") or ("sobre politicas publicas."))) or ("elite politica publica."))*.