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