Perhaps you should try some spelling variations:
"sobre politicas publicad." » "sobre politicas publicas.", "sobre politica publica.", "sobre politica publicas.", "sobre politica publicad."
"serie politicas publico." » "serie politicas publicas.", "serie politica publica.", "serie politico publico."
"serie policiaca publico." » "serie politica publica.", "serie politico publico.", "serie politica publicas."

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