Perhaps you should try some spelling variations:
"dsex factor" » "sex factor", "sex factors", "dux factor"
"six factor" » "six factors", "ix factor", "sex factor"
"d5 facto" » "de facto", "5 facto", "15 factor"
"e facto" » "de facto", "e factor", "ex facto"
"de fact" » "de facto", "de fait", "e 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: (((((("d5 facto") OR ("dsex factor"))) OR ((("e facto") OR ("six factor"))))) OR ("de fact")).
• Removing quotes may allow a broader search: (((((( d5 facto ) or ( dsex factor ))) or ((( e facto ) or ( six factor ))))) or ( de fact )).
• Adding a wildcard symbol may retrieve word variants: (((((("d5 facto") or ("dsex factor"))) or ((("e facto") or ("six factor"))))) or ("de fact"))*.