Perhaps you should try some spelling variations:
"dsix factorr" » "six factors", "six factor", "sex factors"
"dsex factor" » "sex factor", "sex factors", "six factor", "dssex factorr", "dsix factorr", "dsde factor"
"d5 facto" » "de facto", "5 facto", "15 factor"
"e factor" » "e factors", "one factor", "age factor", "de factor", "e factr", "5 factor"
"ex facto" » "sex factor", "ix factor", "de facto"
"e facto" » "de facto", "e fact", "5 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 ("dsix factorr"))))) OR ((((("e facto") OR ("e factor"))) OR ("ex facto"))))) OR ("de fact")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"d5 facto\") or (((\"dsex factor\") OR (\"dsix factorr\"))))) or (((((\"e facto\") or (\"e factor\"))) or (\"ex facto\"))))) or (\"de fact\"))".
• Removing quotes may allow a broader search: (((((( d5 facto ) or ((( dsex factor ) OR ( dsix factorr ))))) or ((((( e facto ) or ( e factor ))) or ( ex facto ))))) or ( de fact )).
• Adding a wildcard symbol may retrieve word variants: (((((("d5 facto") or ((("dsex factor") OR ("dsix factorr"))))) or ((((("e facto") or ("e factor"))) or ("ex facto"))))) or ("de fact"))*.