Perhaps you should try some spelling variations:
de factores » de actores, que factores, de sectores
dose factor » noise factor, one factor, mode factor
move factor » movie factor, mode factor, more factor
factores » factres, factsres
factor » factr, factsr
facto » fact, facts

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((((((( de factores ) OR ( dose factor ))) OR ( move factor ))) OR ( de facto ))) OR ( de falco )).
• Adding a wildcard symbol may retrieve word variants: (((((((( de factores ) or ( dose factor ))) or ( move factor ))) or ( de facto ))) or ( de falco ))*.