Perhaps you should try some spelling variations:
"de factoor" » "de facto", "de facteur", "de factooor", "de faitoor", "e factoor"
"de factos" » "de facto", "de fatos", "de factores", "de factoos", "de faitos", "e factos"
"de fact" » "de facto", "de fait", "e fact"

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 fact") OR ("de factoor"))) OR ("de factos")).
• Removing quotes may allow a broader search: (((( de fact ) or ( de factoor ))) or ( de factos )).
• Adding a wildcard symbol may retrieve word variants: (((("de fact") or ("de factoor"))) or ("de factos"))*.