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