Perhaps you should try some spelling variations:
"serie policiaca public." » "serie politica publica.", "serie politica publicas.", "serie politico publico."
"elite politicas public." » "elite politicas publicad.", "elite politica publica.", "elite politica publicas.", "elites politicas public.", "elite politica public.", "elite politico public."
"etica politicas publicas." » "etica politicas publicadas.", "etica politica publicaas.", "etica politica publicasas.", "etica politica publicas.", "etico politicas publicas.", "etico politicos publicas.", "etica politicas publica.", "etica politicas 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 policiaca public.") or ("elite politicas public."))) or ("etica politicas publicas."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie policiaca public.") OR ("elite politicas public."))) OR ("etica politicas publicas.")).
• Removing quotes may allow a broader search: (((( serie policiaca public. ) or ( elite politicas public. ))) or ( etica politicas publicas. )).
• Adding a wildcard symbol may retrieve word variants: (((("serie policiaca public.") or ("elite politicas public."))) or ("etica politicas publicas."))*.