Perhaps you should try some spelling variations:
"serie politicas publicad." » "serie politica publica.", "serie politica publicas.", "serie politicos republica."
"serie policiaca pablo." » "serie politica pablo.", "serie politicas pablo."
"etica politicas publicas." » "etica politica publicas.", "etico politicas publicas.", "etico politicos publicas.", "etica politicas publica.", "etica politicas public.", "etica 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 policiaca pablo.") or ("serie politicas publicad."))) or ("etica politicas publicas."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie policiaca pablo.") OR ("serie politicas publicad."))) OR ("etica politicas publicas.")).
• Removing quotes may allow a broader search: (((( serie policiaca pablo. ) or ( serie politicas publicad. ))) or ( etica politicas publicas. )).
• Adding a wildcard symbol may retrieve word variants: (((("serie policiaca pablo.") or ("serie politicas publicad."))) or ("etica politicas publicas."))*.