Perhaps you should try some spelling variations:
"mode factor" » "model factor", "models factor", "model factors", "moe factor", "modose factor", "mode factores", "mode factr", "mode factsr"
"de factor" » "e factor", "dose factor", "de factores", "de factr", "de factsr"
"de factsr" » "de facteur"
"de faitor" » "de fair", "de fait", "de fato"
"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 factor") OR ("de factsr"))) OR ("de faitor"))) OR ("mode factor"))) OR ("de facto"))) OR ("de faits")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((((((\"de factor\") OR (\"de factsr\"))) or (\"de faitor\"))) or (\"mode factor\"))) or (\"de facto\"))) or (\"de faits\"))".
• Removing quotes may allow a broader search: (((((((((( de factor ) OR ( de factsr ))) or ( de faitor ))) or ( mode factor ))) or ( de facto ))) or ( de faits )).
• Adding a wildcard symbol may retrieve word variants: (((((((((("de factor") OR ("de factsr"))) or ("de faitor"))) or ("mode factor"))) or ("de facto"))) or ("de faits"))*.