Perhaps you should try some spelling variations:
volunteer infants » volunteer infantry, volunteer inputs, volunteer bands
infants treatment » implants treatment, its treatment, effects treatment
infants regiment » infantry regiment, its regiment
worker volunteer » workers volunteers, words volunteer, brother volunteer
york volunteer » form volunteer, mock volunteers, words volunteer
new worker » new workers, new yorker, new work

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