Perhaps you should try some spelling variations:
"sobre politica publicas." » "sobre politicas publicas.", "sobre politica publica.", "sobre politica publicaciones."
"elite politicas public." » "elite politicas publicas.", "elite politicas publicad.", "elite politica publica.", "elite politica public.", "elite politico public.", "existen politicas public."
"elites politicas public." » "elites politicas publicas.", "elites politicas publicad.", "elites politica publica.", "limites politicos public.", "las politicas public.", "ideas politicas public."

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