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

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 politicas public.") OR ("serie policiaca public."))) OR ("etica politica publicas."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"serie politicas public.\") OR (\"serie policiaca public.\"))) or (\"etica politica publicas.\"))~".
• Removing quotes may allow a broader search: (((( serie politicas public. ) OR ( serie policiaca public. ))) or ( etica politica publicas. ))~.
• Adding a wildcard symbol may retrieve word variants: (((("serie politicas public.") OR ("serie policiaca public."))) or ("etica politica publicas."))*.