Perhaps you should try some spelling variations:
mock volunteers » among volunteers, local volunteers, how volunteers
york volunteer » form volunteer, worker volunteer, words volunteer
volunteers ist » volunteers gut, volunteers cses, volunteers find
its regiment » his regiment, 9th regiment, 6th regiment
das regiment » a regiment, his regiment, das regime
ist regiment » first regiment, 71st regiment, his regiment
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 york volunteer ((its regiment) OR (das regiment)) ) OR ( 7th new mock volunteers ist regiment )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( 7th new york volunteer ((its regiment) OR (das regiment)) ) or ( 7th new mock volunteers ist regiment ))".
• Adding a wildcard symbol may retrieve word variants: (( 7th new york volunteer ((its regiment) OR (das regiment)) ) or ( 7th new mock volunteers ist regiment ))*.