Perhaps you should try some spelling variations:
"history / middle east1 / general" » "history / middle east / general", "history / middle east's / general", "history / middle earth / general"
"history / middle easy / general" » "history / middle east / general", "history / middle ear / general", "history / middle ears / general"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"history / middle easy / general\") OR (\"history / middle east1 / general\"))".
• Removing quotes may allow a broader search: (( history / middle easy / general ) OR ( history / middle east1 / general )).
• Adding a wildcard symbol may retrieve word variants: (("history / middle easy / general") OR ("history / middle east1 / general"))*.