Perhaps you should try some spelling variations:
"de factor" » "dose factor", "mode factor", "de factores", "de factors", "done factor", "dage factor", "dex factor", "de factr", "d5 factor", "e factor", "de falcoor", "de faconor"
"e factor" » "e factors", "one factor", "age factor", "ex factor", "e factr", "5 factor"
"de facts" » "cbe facts", "de fautes", "tie facts", "e facts", "de falcos", "de facons"
"de faits" » "des faits", "les faits", "de traits", "le faits", "se faits", "du faits"
"de facto" » "dex facto", "de fact", "d5 facto", "e facto", "de falcoo", "de facono"
"e facto" » "ex facto", "e fact", "5 facto"
"de fact" » "e fact", "de falco", "de facon"
"de fait" » "le fait", "se fait", "du fait"

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