Perhaps you should try some spelling variations:
"serie politica publicas." » "serie politica publicaciones.", "serie politicas publicas.", "serie policiaca publicas.", "sobre politica publicas."
"entre politicas publicas." » "entre politica publicas.", "en politicas publicas.", "sobre politicas publicas."
"etica politica publica." » "publica politica publica."

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("entre politicas publicas.") or ("etica politica publica."))) or ("serie politica publicas."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("entre politicas publicas.") OR ("etica politica publica."))) OR ("serie politica publicas."))*.
• Removing quotes may allow a broader search: (((( entre politicas publicas. ) or ( etica politica publica. ))) or ( serie politica publicas. ))*.