Perhaps you should try some spelling variations:
factorres » factortes, factors, atorres, factosrres, faltorres, factrres
factores » factosres, faltores, factres, fautores
acto » actos, alto, act
actores » actosres, altores, actres, autores
ffactores » ffactosres, ffaltores, ffactres, ffautores, factors, fatores, reactores
antes » ante

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 (((factores OR factorres) OR (acto OR (actores OR (antes OR ffactores)))))~".
• Adding a wildcard symbol may retrieve word variants: Peter McDonald (((factores OR factorres) OR (acto OR (actores OR (antes OR ffactores)))))*.