Perhaps you should try some spelling variations:
"serie policiaca publica." » "serie politica publicas.", "serie politicas publicas.", "serie politicas publicad."
"limites politicos public." » "lideres politicos public.", "debates politicos public.", "limites juridicos public.", "limites politico publico.", "limites politicos republica.", "limites politicas publicas."
"elite politica publica." » "elite politicas publicas.", "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: (((("limites politicos public.") OR ("elite politica publica."))) OR ("serie policiaca publica."))~.
• Removing quotes may allow a broader search: (((( limites politicos public. ) or ( elite politica publica. ))) or ( serie policiaca publica. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("limites politicos public.") or ("elite politica publica."))) or ("serie policiaca publica."))*.