Perhaps you should try some spelling variations:
"de factor" » "e factor", "dose factor", "mode factor", "de falcoor", "de faconor", "de factsr"
"de fait" » "de faits", "le fait", "se fait"
"de facto" » "e facto", "de falcoo", "de facono", "de facts"
"de fact" » "e fact", "de falco", "de facon"

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 fact") OR ("de fait"))))) OR ("de factor")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"de facto\") or (((\"de fact\") OR (\"de fait\"))))) or (\"de factor\"))".
• Removing quotes may allow a broader search: (((( de facto ) or ((( de fact ) OR ( de fait ))))) or ( de factor )).
• Adding a wildcard symbol may retrieve word variants: (((("de facto") or ((("de fact") OR ("de fait"))))) or ("de factor"))*.