Perhaps you should try some spelling variations:
"des fautes" » "des hautes", "les fautes", "des facultes"
"de factor" » "de facto", "e factor", "dose factor"
"de facts" » "de facto", "cbe facts", "de fautes"
"de faits" » "des faits", "de fait", "les faits"

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 facts") OR ("des fautes"))) OR ("de faits")))).
• Removing quotes may allow a broader search: (( de factor ) or ((((( de facts ) or ( des fautes ))) or ( de faits )))).
• Adding a wildcard symbol may retrieve word variants: (("de factor") or ((((("de facts") or ("des fautes"))) or ("de faits"))))*.