Perhaps you should try some spelling variations:
"historian" » "historia", "historical"
"historians" » "historias", "historicals"
"historiese" » "historicise", "historie", "historias"
"historiae" » "historia", "historie", "historical"
"historien" » "historie", "historikern", "historiker"
"historikerin" » "historikern", "historiker", "historikers"
"historic" » "historical"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("historian" OR ((("historiese" OR "historiae") OR "historien") OR "historikerin")) OR (("histories" OR "historians") OR "historic"))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"historian\" or (((\"historiese\" OR \"historiae\") or \"historien\") or \"historikerin\")) or ((\"histories\" or \"historians\") or \"historic\"))*".
• Removing quotes may allow a broader search: (( historian or ((( historiese OR historiae ) or historien ) or historikerin )) or (( histories or historians ) or historic ))*.