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