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

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("serie politicas public.") or ("etica politica publico."))) or ("sobre politicas publicas."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie politicas public.") OR ("etica politica publico."))) OR ("sobre politicas publicas.")).
• Removing quotes may allow a broader search: (((( serie politicas public. ) or ( etica politica publico. ))) or ( sobre politicas publicas. )).
• Adding a wildcard symbol may retrieve word variants: (((("serie politicas public.") or ("etica politica publico."))) or ("sobre politicas publicas."))*.