Perhaps you should try some spelling variations:
"dose factor" » "noise factor", "one factor", "mode factor", "dos_ factor", "dosa factor", "dos3 factor"
"de factor" » "e factor", "mode factor", "de factores", "d_ factor", "da factor", "d3 factor"
"d3 facts" » "3 facts", "13 facts", "23 facts"
"de facto" » "d_ facto", "da facto", "d3 facto"
"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 facto") OR ("d3 facts"))) OR ("e fact"))) OR ((("de factor") OR ("dose factor")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"de facto\") or (\"d3 facts\"))) or (\"e fact\"))) or (((\"de factor\") OR (\"dose factor\"))))".
• Removing quotes may allow a broader search: (((((( de facto ) or ( d3 facts ))) or ( e fact ))) or ((( de factor ) OR ( dose factor )))).
• Adding a wildcard symbol may retrieve word variants: (((((("de facto") or ("d3 facts"))) or ("e fact"))) or ((("de factor") OR ("dose factor"))))*.