Perhaps you should try some spelling variations:
"chile politica publicaa." » "chile politica publicas.", "chile politicas publicas.", "chile politicas publicad.", "chile politicas publicasa.", "clase politica publicaa."
"entre politica publicaa." » "entre politica publicas.", "entre politicas publicas.", "entre politicas publicad.", "entre politicas publicasa.", "sobre politica publicaa."
"serie politica publica." » "serie politicas publicas.", "serie politicas publica.", "serie policiaca publica.", "sobre politica publica."

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: (("serie politica publica.") or ((("chile politica publicaa.") or ("entre politica publicaa."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("serie politica publica.") OR ((("chile politica publicaa.") OR ("entre politica publicaa.")))).
• Removing quotes may allow a broader search: (( serie politica publica. ) or ((( chile politica publicaa. ) or ( entre politica publicaa. )))).
• Adding a wildcard symbol may retrieve word variants: (("serie politica publica.") or ((("chile politica publicaa.") or ("entre politica publicaa."))))*.