Perhaps you should try some spelling variations:
act » fact
facto » ffacto, factor, fact, acto
fffactores » ffffactores, fffactorres, fffactres, ffactores, factores
factorres » ffactorres, factorrres, factrres, actorres, factores, actores, ffactores, ftorres
actorres » factorres, actores, factores, torres
autores » factores

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 ((act OR (facto OR ((fffactores OR (factorres OR actorres)) OR autores))))~".
• Adding a wildcard symbol may retrieve word variants: Peter McDonald ((act OR (facto OR ((fffactores OR (factorres OR actorres)) OR autores))))*.