Perhaps you should try some spelling variations:
"mode factor" » "model factor", "models factor", "model factory", "mode factr", "mode factsr"
"de factoor" » "de facteur", "de factor", "de factsor"
"de faito" » "de fait", "de fato", "de faire"
"de faits" » "des faits", "de fait", "les faits"
"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 factoor") OR ("mode factor"))) OR ((("de faito") OR ("de faits"))))) OR ("de facto")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"de factoor\") or (\"mode factor\"))) or (((\"de faito\") OR (\"de faits\"))))) or (\"de facto\"))".
• Removing quotes may allow a broader search: (((((( de factoor ) or ( mode factor ))) or ((( de faito ) OR ( de faits ))))) or ( de facto )).
• Adding a wildcard symbol may retrieve word variants: (((((("de factoor") or ("mode factor"))) or ((("de faito") OR ("de faits"))))) or ("de facto"))*.