Perhaps you should try some spelling variations:
"sobre politica publicasas." » "sobre politica publicas.", "sobre politicas publicas.", "sobre politica publica.", "sobre politica publicaasas.", "sobre politica publicasasas.", "sobre politico publicoasas.", "sobre politicas publicasas."
"serie policiacas public." » "serie politicas publicas.", "serie politicas publicad.", "serie politica publica.", "serie policiaca public.", "serie politicas public.", "series politicas public."
"serie politica public." » "serie politica publica.", "serie politica publicas.", "serie politico publico.", "serie politicas public.", "serie policiaca public.", "elite politica 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 policiacas public.") OR ("serie politica public."))) or ("sobre politica publicasas."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("serie policiacas public.") OR ("serie politica public."))) OR ("sobre politica publicasas.")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"serie policiacas public.\") OR (\"serie politica public.\"))) or (\"sobre politica publicasas.\"))".
• Removing quotes may allow a broader search: (((( serie policiacas public. ) OR ( serie politica public. ))) or ( sobre politica publicasas. )).
• Adding a wildcard symbol may retrieve word variants: (((("serie policiacas public.") OR ("serie politica public."))) or ("sobre politica publicasas."))*.