Perhaps you should try some spelling variations:
"sobre politica publica." » "sobre politicas publicas.", "sobre politicas publica."
"serie criticos republica." » "serie clasicos republica.", "serie cronicas republica.", "sopi criticos republica."
"serie criticos publica." » "serie clasicos publica.", "serie cronicas publica.", "sopi criticos 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 ((("serie criticos republica.") or ("serie criticos publica."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("sobre politica publica.") OR ((("serie criticos republica.") OR ("serie criticos publica."))))*.
• Removing quotes may allow a broader search: (( sobre politica publica. ) or ((( serie criticos republica. ) or ( serie criticos publica. ))))*.