Perhaps you should try some spelling variations:
"historical materializan" » "historico materializan", "historicos materializan", "historias materializan", "historical materializar", "historical materializado", "historical materializada", "historical materializarn", "historical materializadon", "historical materializadan"
"historicas materialism" » "historicos materialism", "historias materialism", "historico materialism", "historicas materiales", "historicas materializar"
"historia materialism" » "historia materiales", "historia materializar"
"historica materialism" » "historica materiales", "historica materializar"
"historica materializa" » "historica materializar", "historica materializado", "historica materializada"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("historical materializan") or ((((("historicas materialism") OR ("historia materialism"))) or ((("historica materialism") or ("historica materializa"))))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("historical materializan") OR ((((("historicas materialism") OR ("historia materialism"))) OR ((("historica materialism") OR ("historica materializa")))))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"historical materializan\") or (((((\"historicas materialism\") OR (\"historia materialism\"))) or (((\"historica materialism\") or (\"historica materializa\"))))))".
• Removing quotes may allow a broader search: (( historical materializan ) or ((((( historicas materialism ) OR ( historia materialism ))) or ((( historica materialism ) or ( historica materializa )))))).
• Adding a wildcard symbol may retrieve word variants: (("historical materializan") or ((((("historicas materialism") OR ("historia materialism"))) or ((("historica materialism") or ("historica materializa"))))))*.