Perhaps you should try some spelling variations:
factor » factors, factores, factr, factsr, pactor, factosr
ffactores » ffactorses, ffactoreses, ffactres, ffactsres, fpactores, ffactosres, factores, factors, fatores, fffactores, ffautores
facto » fact, facts, pacto, factos
acto » actos, act
actores » actosres, actres, factores, autores
alto » also, alta
factres » factores, factortes, facturas

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 ((factor OR ((facto OR (acto OR alto)) OR ((ffactores OR factres) OR actores))))~".
• Adding a wildcard symbol may retrieve word variants: Peter McDonald ((factor OR ((facto OR (acto OR alto)) OR ((ffactores OR factres) OR actores))))*.