Perhaps you should try some spelling variations:
"serie politicas publica." » "serie politicas publicas.", "serie politicas publicad.", "serie politica publica.", "serie policiaca publica."
"serie criticos republica." » "serie clasicos republica.", "serie cronicas republica.", "teorico criticos republica."
"sopi criticos republica." » "sus criticos republica.", "los criticos republica.", "como criticos republica."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("serie criticos republica.") OR ("sopi criticos republica."))) or ("serie politicas publica."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie criticos republica.") OR ("sopi criticos republica."))) OR ("serie politicas publica.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"serie criticos republica.\") OR (\"sopi criticos republica.\"))) or (\"serie politicas publica.\"))".
• Removing quotes may allow a broader search: (((( serie criticos republica. ) OR ( sopi criticos republica. ))) or ( serie politicas publica. )).
• Adding a wildcard symbol may retrieve word variants: (((("serie criticos republica.") OR ("sopi criticos republica."))) or ("serie politicas publica."))*.