Perhaps you should try some spelling variations:
"serie politicas publicad." » "serie politicas publicas.", "serie politica publica.", "serie politicos republica.", "serie policiaca publicad."
"etica politica publicas." » "etica politicas publicas.", "etica politica publica.", "etica politica publicaciones.", "publica politica publicas."
"serie politicas pablo." » "serie policiaca pablo.", "serie politica pablo.", "serie politicas para.", "serie politicas paz."

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 politicas pablo.") or ("serie politicas publicad."))) or ("etica politica publicas."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie politicas pablo.") OR ("serie politicas publicad."))) OR ("etica politica publicas.")).
• Removing quotes may allow a broader search: (((( serie politicas pablo. ) or ( serie politicas publicad. ))) or ( etica politica publicas. )).
• Adding a wildcard symbol may retrieve word variants: (((("serie politicas pablo.") or ("serie politicas publicad."))) or ("etica politica publicas."))*.