Perhaps you should try some spelling variations:
"mode factor" » "model factor", "models factor", "model factory", "moe factor", "modose factor", "mode factores", "mode falcoor", "mode faconor", "mode factsr"
"de factor" » "e factor", "dose factor", "de factores", "de falcoor", "de faconor", "de factsr"
"de faitor" » "de fair", "de faits", "de fato", "de faitsor", "le faitor", "se faitor"
"de facto" » "e facto", "de falcoo", "de facono", "de facts"
"de fact" » "e fact", "de falco", "de facon"
"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 factor") OR ("de faitor"))) OR ("mode factor"))) OR ("de facto"))) OR ((("de fact") OR ("de fait")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((((\"de factor\") or (\"de faitor\"))) or (\"mode factor\"))) or (\"de facto\"))) or (((\"de fact\") OR (\"de fait\"))))".
• Removing quotes may allow a broader search: (((((((( de factor ) or ( de faitor ))) or ( mode factor ))) or ( de facto ))) or ((( de fact ) OR ( de fait )))).
• Adding a wildcard symbol may retrieve word variants: (((((((("de factor") or ("de faitor"))) or ("mode factor"))) or ("de facto"))) or ((("de fact") OR ("de fait"))))*.