Perhaps you should try some spelling variations:
"serie policiaca publica." » "serie politica publicas.", "serie politicas publicas.", "serie politicas publicad."
"delito politico publicad." » "delito politicas publicad.", "delito politica publicas.", "delito politico publico.", "delitos politicos publicad.", "mito politico publicad.", "etico politico publicad."
"sobre politica publica." » "sobre politicas publicas.", "sobre politicas publica."

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: (("delito politico publicad.") or ((("sobre politica publica.") or ("serie policiaca publica."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("delito politico publicad.") OR ((("sobre politica publica.") OR ("serie policiaca publica.")))).
• Removing quotes may allow a broader search: (( delito politico publicad. ) or ((( sobre politica publica. ) or ( serie policiaca publica. )))).
• Adding a wildcard symbol may retrieve word variants: (("delito politico publicad.") or ((("sobre politica publica.") or ("serie policiaca publica."))))*.