Perhaps you should try some spelling variations:
"de factor" » "de facto", "e factor", "dose factor", "d_ factor", "da factor", "d3 factor"
"de faito" » "de facto", "de faits", "de fato", "de faitso", "se faito", "du faito"
"de fait" » "de faits", "se fait", "du fait"
"le fait" » "le faict"
"e fact" » "_ fact", "a fact", "3 fact"

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 fait") OR ("le fait"))))))) OR ("e fact")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"de factor\") or (((\"de faito\") or (((\"de fait\") OR (\"le fait\"))))))) or (\"e fact\"))".
• Removing quotes may allow a broader search: (((( de factor ) or ((( de faito ) or ((( de fait ) OR ( le fait ))))))) or ( e fact )).
• Adding a wildcard symbol may retrieve word variants: (((("de factor") or ((("de faito") or ((("de fait") OR ("le fait"))))))) or ("e fact"))*.