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

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