Perhaps you should try some spelling variations:
"de factor" » "de facto", "e factor", "dose factor", "de factoor", "de falcoor", "one factor", "d_ factor", "d5 factor", "d2 factor"
"de falcoo" » "de falco", "die falcon", "de facto"
"de facon" » "de facto", "de falco", "la facon"
"de fact" » "de facto", "de falco", "one fact", "d_ fact", "d5 fact", "d2 fact"
"de fait" » "de faits", "le fait", "se fait"
"e fact" » "_ fact", "5 fact", "2 fact"
"a fact" » "a face", "a factor"
"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 factor") OR ("de falcoo"))) OR ("de facon"))) OR ((((("de fact") OR ("de fait"))) OR ((((("e fact") OR ("a fact"))) OR ((("3 fact") OR ("3 face")))))))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"de factor\") or (\"de falcoo\"))) or (\"de facon\"))) or (((((\"de fact\") or (\"de fait\"))) or (((((\"e fact\") OR (\"a fact\"))) or (((\"3 fact\") or (\"3 face\"))))))))".
• Removing quotes may allow a broader search: (((((( de factor ) or ( de falcoo ))) or ( de facon ))) or ((((( de fact ) or ( de fait ))) or ((((( e fact ) OR ( a fact ))) or ((( 3 fact ) or ( 3 face )))))))).
• Adding a wildcard symbol may retrieve word variants: (((((("de factor") or ("de falcoo"))) or ("de facon"))) or ((((("de fact") or ("de fait"))) or ((((("e fact") OR ("a fact"))) or ((("3 fact") or ("3 face"))))))))*.