Perhaps you should try some spelling variations:
"de factor" » "e factor", "dose factor", "mode factor", "d_ factor", "da factor", "d5 factor", "de factsr"
"de facon" » "de falco", "en facon"
"de facto" » "d_ facto", "da facto", "d5 facto", "de facts"
"e fact" » "_ fact", "a fact", "5 fact"
"3 fact" » "3 facts", "3 fast", "3 factor"

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 ("de factor"))) OR ("de facon"))) OR ("la facon"))) OR ((("one act") OR ((("e fact") OR ((("3 fact") OR ("3 face")))))))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((((\"de facto\") OR (\"de factor\"))) or (\"de facon\"))) or (\"la facon\"))) or (((\"one act\") or (((\"e fact\") or (((\"3 fact\") or (\"3 face\"))))))))".
• Removing quotes may allow a broader search: (((((((( de facto ) OR ( de factor ))) or ( de facon ))) or ( la facon ))) or ((( one act ) or ((( e fact ) or ((( 3 fact ) or ( 3 face )))))))).
• Adding a wildcard symbol may retrieve word variants: (((((((("de facto") OR ("de factor"))) or ("de facon"))) or ("la facon"))) or ((("one act") or ((("e fact") or ((("3 fact") or ("3 face"))))))))*.