Perhaps you should try some spelling variations:
"serie policiaca publica." » "serie politica publica.", "serie politicas publicas.", "serie politicas publicad."
"teorias politica publicas." » "teorias politicas publicas.", "teorias politica publica.", "teorias politica publicaciones.", "teoria politica publicas.", "teoria politicas publicas.", "teorias politica publicaas.", "teorias politico publicoas.", "teorias politicas publicasas."
"sobre politica public." » "sobre politica publica.", "sobre politico publico.", "sobre politicas publicas.", "sobre politicas public."

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