Perhaps you should try some spelling variations:
"proletarias revolution" » "proletaria revolution", "proletarios revolution", "proletariat revolution", "proletarias revoluciones"
"proletarias evolucion" » "proletaria evolucion", "proletarios evolucion", "proletariat evolucion", "proletarias revoluciones"
"proletarias revolucion" » "proletaria revolucion", "proletarios revolucion", "proletariat revolucion", "proletarias rrevoluciones"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("proletarias revolution") OR ((("proletarias evolucion") OR ("proletarias revolucion"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"proletarias revolution\") OR (((\"proletarias evolucion\") OR (\"proletarias revolucion\"))))".
• Removing quotes may allow a broader search: (( proletarias revolution ) OR ((( proletarias evolucion ) OR ( proletarias revolucion )))).
• Adding a wildcard symbol may retrieve word variants: (("proletarias revolution") OR ((("proletarias evolucion") OR ("proletarias revolucion"))))*.