Perhaps you should try some spelling variations:
"mode factores" » "model factories", "more factors", "model factors", "mode factoes", "moe factores", "modose factores"
"de factor" » "de facto", "e factor", "dose factor"
"de facts" » "de facto", "de faits", "cbe facts"
"de factr" » "de facto", "de facteur", "de fazer"

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 facts") OR ((((("de factor") OR ("de factr"))) OR ("mode factores")))).
• Removing quotes may allow a broader search: (( de facts ) or ((((( de factor ) or ( de factr ))) or ( mode factores )))).
• Adding a wildcard symbol may retrieve word variants: (("de facts") or ((((("de factor") or ("de factr"))) or ("mode factores"))))*.