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

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