Perhaps you should try some spelling variations:
"serie politicos republica." » "serie politico republicano.", "serie criticos republica.", "serie politicas republicanas.", "serie politicas republica.", "series politicas republica.", "serie politica republica."
"sobre politica publicas." » "sobre politicas publicas.", "sobre politica publica.", "sobre politica publicaciones.", "sobre politica publicaas.", "sobre politico publicoas.", "sobre politicas publicasas."
"entre politica public." » "entre politica publica.", "entre politico publico.", "entre politicas publicas."

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