Perhaps you should try some spelling variations:
"de factoor" » "de facteur", "e factoor", "de falcooor", "de faconoor", "de factoror", "de factsor"
"de fact" » "e fact", "de falco", "de facon"
"de facto" » "e facto", "de falcoo", "de facono", "de factor", "de facts"
"de fait" » "de faits", "le fait", "se fait"

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