Perhaps you should try some spelling variations:
"public politica publicas." » "public politicas publicas.", "public politica publicaciones.", "public politicas publicass.", "publica politica publicas.", "publica politicas publicas.", "publicos politica publicas."
"serie policiaca publica." » "serie politicas publicas.", "serie politicas publicad.", "serie politico publico."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "sobre politica publica.", "elite 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 politica publica.") OR ("serie policiaca publica."))) OR ("public politica publicas."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"serie politica publica.\") OR (\"serie policiaca publica.\"))) or (\"public politica publicas.\"))~".
• Removing quotes may allow a broader search: (((( serie politica publica. ) OR ( serie policiaca publica. ))) or ( public politica publicas. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("serie politica publica.") OR ("serie policiaca publica."))) or ("public politica publicas."))*.