Perhaps you should try some spelling variations:
"serie policiaca publico." » "serie politica publica.", "serie politica publicas.", "serie oficial publico."
"serie politico publico." » "serie politica publica.", "serie politica publicas.", "serie politico republicano.", "serie politica publico.", "serie politicas publico.", "series political publico."
"entre politicas publicas." » "entre politica publicas.", "en politicas publicas.", "sobre politicas publicas.", "entre politicas publica.", "entre politicas public."

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 publico.") OR ("serie politico publico."))) or ("entre politicas publicas."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie policiaca publico.") OR ("serie politico publico."))) OR ("entre politicas publicas.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"serie policiaca publico.\") OR (\"serie politico publico.\"))) or (\"entre politicas publicas.\"))".
• Removing quotes may allow a broader search: (((( serie policiaca publico. ) OR ( serie politico publico. ))) or ( entre politicas publicas. )).
• Adding a wildcard symbol may retrieve word variants: (((("serie policiaca publico.") OR ("serie politico publico."))) or ("entre politicas publicas."))*.