Perhaps you should try some spelling variations:
"serie politicas pabloas." » "serie politicas pablo.", "serie politica pablo.", "serie politicas publicad.", "serie policiaca pabloas."
"sobre politicas public." » "sobre politicas publicad.", "sobre politica publica.", "sobre politica publicas.", "sobre politica public."
"serie politicas publicas." » "serie politicas publicadas.", "serie politica publicaas.", "serie politica publicasas.", "serie policiaca 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: (((("sobre politicas public.") or ("serie politicas publicas."))) or ("serie politicas pabloas."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sobre politicas public.") OR ("serie politicas publicas."))) OR ("serie politicas pabloas.")).
• Removing quotes may allow a broader search: (((( sobre politicas public. ) or ( serie politicas publicas. ))) or ( serie politicas pabloas. )).
• Adding a wildcard symbol may retrieve word variants: (((("sobre politicas public.") or ("serie politicas publicas."))) or ("serie politicas pabloas."))*.