Perhaps you should try some spelling variations:
actr » acts, acta, acer, factr
acto » actos, alto, facto
ffactor » ffactosr, ffaltor, fffactor, factor, bifactor, effector, ffactors, ffautor, ffactorr, ffactr, ffactsr
actor » actosr, altor, factor, actors, autor
facto » factos, falto, ffacto, factor, fact, facts
act » fact

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: "Peter McDonald ((((actr OR acto) OR act) OR ((ffactor OR (actor OR ffffaltor)) OR facto)))~".
• Adding a wildcard symbol may retrieve word variants: Peter McDonald ((((actr OR acto) OR act) OR ((ffactor OR (actor OR ffffaltor)) OR facto)))*.