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."
"elites politicas public." » "limites politicos public.", "las politicas public.", "ideas politicas public.", "elites politicas publicas.", "elites politicas publicad.", "elites politica 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: (((("elites politicas public.") or ("entre politica publicas."))) or ("serie policiaca publicas."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("elites politicas public.") OR ("entre politica publicas."))) OR ("serie policiaca publicas.")).
• Removing quotes may allow a broader search: (((( elites politicas public. ) or ( entre politica publicas. ))) or ( serie policiaca publicas. )).
• Adding a wildcard symbol may retrieve word variants: (((("elites politicas public.") or ("entre politica publicas."))) or ("serie policiaca publicas."))*.