Perhaps you should try some spelling variations:
"elite politica mexicana." » "elite politico mexicano.", "elite politica mexico.", "elite politica medica.", "elites politicas mexicana.", "etica politica mexicana.", "chile politica mexicana."
"entre politica mexicana." » "entre politico mexicano.", "entre politica mexico.", "entre politica medica."
"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: (("sobre politica publica.") or ((("elite politica mexicana.") OR ("entre politica mexicana."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("sobre politica publica.") OR ((("elite politica mexicana.") OR ("entre politica mexicana."))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"sobre politica publica.\") or (((\"elite politica mexicana.\") OR (\"entre politica mexicana.\"))))*".
• Removing quotes may allow a broader search: (( sobre politica publica. ) or ((( elite politica mexicana. ) OR ( entre politica mexicana. ))))*.