Perhaps you should try some spelling variations:
"serie politicas publica." » "serie politicas publicad.", "serie politica publica.", "serie politica publicas.", "serie policiaca publica."
"elites politicas publicas." » "elites politicas publicads.", "elites politica publicas.", "elites politica publicass.", "limites politicos publicas.", "ideas politicas publicas.", "relaciones politicas publicas."
"las politicas publicas." » "las politicas publicads.", "las politica publicas.", "las politica publicass."

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 politicas publica.") or ((("elites politicas publicas.") OR ("las politicas publicas."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("serie politicas publica.") OR ((("elites politicas publicas.") OR ("las politicas publicas.")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"serie politicas publica.\") or (((\"elites politicas publicas.\") OR (\"las politicas publicas.\"))))".
• Removing quotes may allow a broader search: (( serie politicas publica. ) or ((( elites politicas publicas. ) OR ( las politicas publicas. )))).
• Adding a wildcard symbol may retrieve word variants: (("serie politicas publica.") or ((("elites politicas publicas.") OR ("las politicas publicas."))))*.