Perhaps you should try some spelling variations:
"etica politica publicas." » "etica politicas publicas.", "etica politica publicaciones.", "etica politicas publicass."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "serie policiaca publica.", "sobre politica publica."
"publica politica publica." » "publica politicas publicas.", "public policy publica."

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

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