Perhaps you should try some spelling variations:
"tristes politicas public." » "crisis politicas public.", "elites politicas public.", "existen politicas public.", "tristes politicas publicas.", "tristes politicas publicad.", "tristes politica publica."
"serie politicas publica." » "serie politicas publicas.", "serie politicas publicad.", "serie politica publica.", "serie politicas publicasa.", "serie politicas publicada.", "serie politica publicaa.", "serie policiaca publica."
"elite politico publica." » "elite politica publica.", "elite politico publico.", "elite politica publicas.", "delito politico publica.", "elites politicas publica."

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: (((("tristes politicas public.") or ("elite politico publica."))) or ("serie politicas publica."))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tristes politicas public.") OR ("elite politico publica."))) OR ("serie politicas publica.")).
• Removing quotes may allow a broader search: (((( tristes politicas public. ) or ( elite politico publica. ))) or ( serie politicas publica. )).
• Adding a wildcard symbol may retrieve word variants: (((("tristes politicas public.") or ("elite politico publica."))) or ("serie politicas publica."))*.