Perhaps you should try some spelling variations:
"mode factor" » "model factor", "models factor", "model factory", "mod_ factor", "mod3 factor", "mod5 factor"
"23 factor" » "2.3 factor", "23 factors", "23 factory"
"da facto" » "de facto", "a factor", "5 facto", "da faceo", "da factoro"
"e fact" » "_ fact", "3 fact", "5 fact"
"a fact" » "a face", "a 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: (((("mode factor") OR ((("23 factor") OR ("da facto"))))) OR ((("e fact") OR ("a fact")))).
• Removing quotes may allow a broader search: (((( mode factor ) or ((( 23 factor ) or ( da facto ))))) or ((( e fact ) or ( a fact )))).
• Adding a wildcard symbol may retrieve word variants: (((("mode factor") or ((("23 factor") or ("da facto"))))) or ((("e fact") or ("a fact"))))*.