Perhaps you should try some spelling variations:
"dex facto" » "sex factor", "dux factor", "index factor", "dsex factor", "dix factor", "dx factor"
"ex facto" » "sex factor", "ix factor", "x factor"
"de facto" » "de faito", "e facto", "de falcoo"
"de fact" » "de fait", "e fact", "de falco"

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: (((((("dex facto") OR ("de facto"))) OR ("ex facto"))) OR ("de fact")).
• Removing quotes may allow a broader search: (((((( dex facto ) or ( de facto ))) or ( ex facto ))) or ( de fact )).
• Adding a wildcard symbol may retrieve word variants: (((((("dex facto") or ("de facto"))) or ("ex facto"))) or ("de fact"))*.