Perhaps you should try some spelling variations:
"serie politicas publico." » "serie politicas publicas.", "serie politicas publicad.", "serie politica publica.", "serie policiaca publico."
"debates politicos luis." » "debate politico luis.", "debates politico luis.", "debates politicos las.", "debates politica luis."
"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 ("debates politicos luis."))) OR ("serie politicas publico."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"ideas politicas luis.\") OR (\"debates politicos luis.\"))) OR (\"serie politicas publico.\"))*".
• Removing quotes may allow a broader search: (((( ideas politicas luis. ) OR ( debates politicos luis. ))) OR ( serie politicas publico. ))*.