Perhaps you should try some spelling variations:
"mode factores" » "model factories", "more factors", "model factors", "moe factores", "modose factores", "momode factores", "mode factres", "mode factsres"
"de factor" » "e factor", "dose factor", "mode factor", "de factr", "de factsr"
"e factr" » "e factor", "e fact", "e factors"
"de facto" » "de fact", "de 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 facto") OR ((((("de factor") OR ("e factr"))) OR ("mode factores")))).
• Removing quotes may allow a broader search: (( de facto ) or ((((( de factor ) or ( e factr ))) or ( mode factores )))).
• Adding a wildcard symbol may retrieve word variants: (("de facto") or ((((("de factor") or ("e factr"))) or ("mode factores"))))*.