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