Perhaps you should try some spelling variations:
"limites politicos luis." » "lideres politicos luis.", "debates politicos luis.", "limites juridicos luis.", "limites politico luis.", "limites politicos las.", "limites politica luis."
"serie policiaca publica." » "serie politica publica.", "serie politica publicas.", "serie politicas publicas."
"ideas politicas luis." » "las politicas luis.", "ideologias politicas luis.", "ideas politica luis.", "ideas politico luis.", "ideas politicas las."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("ideas politicas luis.") or ("limites politicos luis."))) or ("serie policiaca publica."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ideas politicas luis.") OR ("limites politicos luis."))) OR ("serie policiaca publica."))*.
• Removing quotes may allow a broader search: (((( ideas politicas luis. ) or ( limites politicos luis. ))) or ( serie policiaca publica. ))*.