Perhaps you should try some spelling variations:
"limites juridicos public." » "limites juridico publicas.", "limites juridica publica."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "serie policiaca publica.", "elite politica publica."
"sobre politica publica." » "sobre politicas publicas.", "sobre politicas publica."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("limites juridicos public.") or ((("serie politica publica.") or ("sobre politica publica."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("limites juridicos public.") OR ((("serie politica publica.") OR ("sobre politica publica."))))*.
• Removing quotes may allow a broader search: (( limites juridicos public. ) or ((( serie politica publica. ) or ( sobre politica publica. ))))*.