Perhaps you should try some spelling variations:
"mode factor" » "model factor", "models factor", "model factors", "mode faitor", "moe factor", "mode falcoor", "mode 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: (((("mode factor") OR ("de facto"))) OR ("de fact")).
• Removing quotes may allow a broader search: (((( mode factor ) or ( de facto ))) or ( de fact )).
• Adding a wildcard symbol may retrieve word variants: (((("mode factor") or ("de facto"))) or ("de fact"))*.