Perhaps you should try some spelling variations:
"one factsr" » "one factors", "one factory", "zone factor", "one factor"
"e factsr" » "e factor", "e factors", "e factory"
"de fact" » "de fait", "e fact", "de facon"
"de facto" » "de faito", "e facto", "de facono", "de facts"
"one factor" » "one factors", "one factsr"

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: (((((("one factor") OR ("one factsr"))) OR ("e factsr"))) OR ((((("de fact") OR ("de falco"))) OR ("de facto")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"one factor\") or (\"one factsr\"))) or (\"e factsr\"))) or (((((\"de fact\") OR (\"de falco\"))) or (\"de facto\"))))".
• Removing quotes may allow a broader search: (((((( one factor ) or ( one factsr ))) or ( e factsr ))) or ((((( de fact ) OR ( de falco ))) or ( de facto )))).
• Adding a wildcard symbol may retrieve word variants: (((((("one factor") or ("one factsr"))) or ("e factsr"))) or ((((("de fact") OR ("de falco"))) or ("de facto"))))*.