Perhaps you should try some spelling variations:
"dose factsr" » "dose factor"
"mode factsr" » "mode factor", "model factor", "modes factor", "mode faitsr", "moe factsr", "mode falcosr"
"de facto" » "de faito", "e facto", "de falcoo", "de factor", "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: (((((("dose factsr") OR ("mode factsr"))) OR ("de facto"))) OR ("de fact")).
• Removing quotes may allow a broader search: (((((( dose factsr ) or ( mode factsr ))) or ( de facto ))) or ( de fact )).
• Adding a wildcard symbol may retrieve word variants: (((((("dose factsr") or ("mode factsr"))) or ("de facto"))) or ("de fact"))*.