Perhaps you should try some spelling variations:
volunteers first » volunteers ist, volunteers from, volunteer fish
volunteer first » volunteer fish, volunteer dorset, volunteer force
volunteer fire » volunteer force, volunteer fish, volunteer time
new mock » new monk, view mock, new mode

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: 7th new mock ((volunteers first) OR (((volunteer first) OR (volunteer fire)))) regiment.
• The words AND, OR and NOT may confuse the search; try adding quotes: "7th new mock ((volunteers first) or (((volunteer first) OR (volunteer fire)))) regiment".
• Adding a wildcard symbol may retrieve word variants: 7th new mock ((volunteers first) or (((volunteer first) OR (volunteer fire)))) regiment*.