Perhaps you should try some spelling variations:
"de factores" » "de actores", "que factores", "de sectores", "e factores", "mode factores", "de factorijes", "de factorres", "dex factores", "de factres", "de faitores", "de falcoores"
"dose factor" » "noise factor", "one factor", "mode factor", "dose factorr", "dosex factor", "dose factr"
"de factor" » "e factor", "mode factor", "de factorij", "de factorr", "dex factor", "de factr", "de faitor", "de falcoor"
"de facto" » "de factor", "dex facto", "de fact", "de faito", "e facto", "de falcoo"
"e facto" » "e factor", "ex facto", "e fact"
"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: (((((((("de factor") OR ("de factores"))) OR ("dose factor"))) OR ((("de facto") OR ("e facto"))))) OR ("de fact")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((((\"de factor\") OR (\"de factores\"))) or (\"dose factor\"))) or (((\"de facto\") or (\"e facto\"))))) or (\"de fact\"))".
• Removing quotes may allow a broader search: (((((((( de factor ) OR ( de factores ))) or ( dose factor ))) or ((( de facto ) or ( e facto ))))) or ( de fact )).
• Adding a wildcard symbol may retrieve word variants: (((((((("de factor") OR ("de factores"))) or ("dose factor"))) or ((("de facto") or ("e facto"))))) or ("de fact"))*.