Perhaps you should try some spelling variations:
infantry treatment » infants treatment, infancy treatment, infantry regiment
infants regiment » infantry regiment, infants treatment, its regiment
mock volunteers » among volunteers, local volunteers, how volunteers
york volunteer » form volunteer, worker volunteer, words volunteer
mock volunteer » local volunteer, do volunteer, does 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) OR (mock volunteers)) infants regiment ) OR ( 7th new mock volunteer infantry treatment )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( 7th new ((york volunteer) OR (mock volunteers)) infants regiment ) or ( 7th new mock volunteer infantry treatment ))".
• Adding a wildcard symbol may retrieve word variants: (( 7th new ((york volunteer) OR (mock volunteers)) infants regiment ) or ( 7th new mock volunteer infantry treatment ))*.