Perhaps you should try some spelling variations:
"de factor" » "e factor", "dose factor", "mode factor", "de falcoor", "de faconor", "de factsr"
"de faito" » "de faits", "de fato", "de faire", "de faitso", "le faito", "se faito"
"de fait" » "de faits", "le fait", "se fait"
"de facto" » "e facto", "de falcoo", "de facono", "de facts"
"de fact" » "e fact", "de falco", "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 factor") OR ((((("de faito") OR ("de facto"))) OR ("de fait"))))) OR ("de fact")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"de factor\") or (((((\"de faito\") OR (\"de facto\"))) or (\"de fait\"))))) or (\"de fact\"))".
• Removing quotes may allow a broader search: (((( de factor ) or ((((( de faito ) OR ( de facto ))) or ( de fait ))))) or ( de fact )).
• Adding a wildcard symbol may retrieve word variants: (((("de factor") or ((((("de faito") OR ("de facto"))) or ("de fait"))))) or ("de fact"))*.