Perhaps you should try some spelling variations:
"elite politica publicas." » "elite politicas publicas.", "elite politica publicaciones.", "elite politicas publicass.", "elites politicas publicas.", "etica politica publicas.", "entre politica publicas."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "serie policiaca publica.", "sobre politica publica."
"series politicas public." » "serie politicas public.", "series political public.", "especies politicas public.", "series politicas publicas.", "series politicas publicad.", "series politicas pablo."

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