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