Perhaps you should try some spelling variations:
factr » factor, fact
actor » factor, acto
factores » ffactores, factoes, factorres, factres, actores, fautores
actores » factores, actoes, autores
facto » factor, fact, acto
factoes » factores, factes, actoes
fautores » autores, tutores

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: Peter McDonald (((factr OR actor) OR (facto OR (((factores OR fautores) OR factoes) OR actores))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "Peter McDonald (((factr OR actor) OR (facto OR (((factores OR fautores) OR factoes) OR actores))))".
• Adding a wildcard symbol may retrieve word variants: Peter McDonald (((factr OR actor) OR (facto OR (((factores OR fautores) OR factoes) OR actores))))*.