Perhaps you should try some spelling variations:
"mode factor" » "model factor", "models factor", "model factors", "mode factr", "mode factsr"
"de factsr" » "de facteur", "de faits"
"de fait" » "de faits", "le fait", "se fait"
"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 factsr") OR ("de fait"))) OR ("mode factor")))).
• Removing quotes may allow a broader search: (( de facto ) or ((((( de factsr ) or ( de fait ))) or ( mode factor )))).
• Adding a wildcard symbol may retrieve word variants: (("de facto") or ((((("de factsr") or ("de fait"))) or ("mode factor"))))*.