Perhaps you should try some spelling variations:
infantry treatment » infants treatment, infancy treatment, infantry regiment
volunteer groups » volunteer corps, volunteer cloud
groups regiment » groups treatment, troops regiments, groups recent
york volunteer » form volunteer, worker volunteer, mock volunteers
mock volunteer » mock volunteers, local volunteer, do volunteer
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 groups regiment ) OR ( 7th new mock volunteer infantry treatment )).
• Adding a wildcard symbol may retrieve word variants: (( 7th new york volunteer groups regiment ) or ( 7th new mock volunteer infantry treatment ))*.