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