Perhaps you should try some spelling variations:
volunteers infantry » volunteer infantry
volunteer infants » volunteer infantry, volunteer inputs, volunteer bands
worker volunteer » workers volunteers, words volunteer, brother volunteer
infants regiment » infants treatment, its regiment
mock volunteers » among volunteers, local volunteers, how volunteers
new worker » new workers, new yorker, new work
new mock » new monk, view mock, new mode

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: "(( 7th new worker volunteer infants regiment ) OR ( 7th new mock volunteers infantry regiment ))".
• Adding a wildcard symbol may retrieve word variants: (( 7th new worker volunteer infants regiment ) OR ( 7th new mock volunteers infantry regiment ))*.