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

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 ((("ser politicas republicanas.") OR ("ser politicas publicas."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("serie politica publica.") OR ((("ser politicas republicanas.") OR ("ser politicas publicas.")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"serie politica publica.\") or (((\"ser politicas republicanas.\") OR (\"ser politicas publicas.\"))))".
• Removing quotes may allow a broader search: (( serie politica publica. ) or ((( ser politicas republicanas. ) OR ( ser politicas publicas. )))).
• Adding a wildcard symbol may retrieve word variants: (("serie politica publica.") or ((("ser politicas republicanas.") OR ("ser politicas publicas."))))*.