Perhaps you should try some spelling variations:
"ser politicos republica." » "ser politico republicano.", "ser politicas republicanas.", "ser politica republicana.", "de politicos republica.", "usos politicos republica.", "y 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: (((("ser politicos republica.") OR ("ser criticos republica."))) or ("serie politicas publicas."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ser politicos republica.") OR ("ser criticos republica."))) OR ("serie politicas publicas.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"ser politicos republica.\") OR (\"ser criticos republica.\"))) or (\"serie politicas publicas.\"))".
• Removing quotes may allow a broader search: (((( ser politicos republica. ) OR ( ser criticos republica. ))) or ( serie politicas publicas. )).
• Adding a wildcard symbol may retrieve word variants: (((("ser politicos republica.") OR ("ser criticos republica."))) or ("serie politicas publicas."))*.