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

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