Perhaps you should try some spelling variations:
"mode factor" » "model factor", "models factor", "model factory", "modose factor", "mode factores", "mode factorij", "mode factors", "modone factor", "modage factor", "mode faitor", "moe factor", "mode falcoor", "mode factsr"
"de factor" » "dose factor", "de factores", "de factorij", "de factors", "done factor", "dage factor", "de faitor", "e factor", "de falcoor", "de factsr"
"e factor" » "e factors", "one factor", "age factor", "e factsr"
"de facto" » "de faito", "e facto", "de falcoo", "de facts"
"de fact" » "de fait", "e fact", "de falco"

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