Perhaps you should try some spelling variations:
"sobre politicas publicad." » "sobre politicas publicas.", "sobre politica publicas.", "sobre politicos republica.", "sobre politicas publicasad.", "sobre politica publicasad.", "sobre politicas pabload.", "sobre politica publicad."
"etica politica publica." » "etica politicas publicas.", "publica politica publica."
"serie politicas public." » "serie politicas publicas.", "serie politica publicas.", "serie politicas pablo.", "serie policiaca public."

Try widening your search to All Fields.

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

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