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