Perhaps you should try some spelling variations:
"mode factor" » "model factor", "models factor", "model factory", "mode faitor", "moe factor", "mode faconor", "mode factsr"
"de factoor" » "de facteur", "de faitoor", "e factoor", "de faconoor", "de factsor"
"de facto" » "de faito", "e facto", "de facono", "de facts"
"de fact" » "de fait", "e fact", "de facon"

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 falco") OR ("de facto"))) OR ("de fact"))) OR ((("mode factor") OR ((("de factoor") OR ("de faitoor")))))).
• Removing quotes may allow a broader search: (((((( de falco ) or ( de facto ))) or ( de fact ))) or ((( mode factor ) or ((( de factoor ) or ( de faitoor )))))).
• Adding a wildcard symbol may retrieve word variants: (((((("de falco") or ("de facto"))) or ("de fact"))) or ((("mode factor") or ((("de factoor") or ("de faitoor"))))))*.