Perhaps you should try some spelling variations:
"serie politicas public." » "serie politicas publicas.", "serie politicas publicad.", "serie politica publica."
"serie policiaca public." » "serie politica publica.", "serie politica publicas.", "serie politico publico."
"elites politico julia." » "elite politico julia.", "elites politicas julia.", "elite politica julia.", "elites politico la.", "elites politico luis.", "elites politico juan."

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: (("elites politico julia.") or ((("serie politicas public.") OR ("serie policiaca public."))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("elites politico julia.") OR ((("serie politicas public.") OR ("serie policiaca public.")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"elites politico julia.\") or (((\"serie politicas public.\") OR (\"serie policiaca public.\"))))".
• Removing quotes may allow a broader search: (( elites politico julia. ) or ((( serie politicas public. ) OR ( serie policiaca public. )))).
• Adding a wildcard symbol may retrieve word variants: (("elites politico julia.") or ((("serie politicas public.") OR ("serie policiaca public."))))*.