Perhaps you should try some spelling variations:
"historian" » "historic", "historicn"
"historians" » "historics", "historicns"
"historia" » "historic"
"historiesns" » "historiens", "historien", "historiese"
"historiennes" » "historienne", "historiens", "historiettes"
"historiess" » "historiens", "historiese", "historikers"

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 "historical") OR ("historia" OR ("historians" OR (("historiesns" OR "historiennes") OR ("historiess" OR "histories"))))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"historian\" or \"historical\") or (\"historia\" or (\"historians\" or ((\"historiesns\" OR \"historiennes\") or (\"historiess\" or \"histories\")))))".
• Removing quotes may allow a broader search: (( historian or historical ) or ( historia or ( historians or (( historiesns OR historiennes ) or ( historiess or histories ))))).
• Adding a wildcard symbol may retrieve word variants: (("historian" or "historical") or ("historia" or ("historians" or (("historiesns" OR "historiennes") or ("historiess" or "histories")))))*.