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