Perhaps you should try some spelling variations:
"usos politicos republica." » "usos politico republicano.", "usos politicas republicanas.", "usos politica republicana.", "uso politicos republica."
"serie politicas publicas." » "serie policiaca publicas.", "serie politicas publica.", "serie politicas public.", "serie politicas publico."
"ser criticos republica." » "sus criticos republica.", "de criticos republica.", "der criticism republica."

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("usos politicos republica.") or ("ser criticos republica."))) or ("serie politicas publicas."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("usos politicos republica.") OR ("ser criticos republica."))) OR ("serie politicas publicas.")).
• Removing quotes may allow a broader search: (((( usos politicos republica. ) or ( ser criticos republica. ))) or ( serie politicas publicas. )).
• Adding a wildcard symbol may retrieve word variants: (((("usos politicos republica.") or ("ser criticos republica."))) or ("serie politicas publicas."))*.