Perhaps you should try some spelling variations:
"model factor" » "models factor", "model fast", "model factsr"
"de faito" » "de fait", "de faits", "de fato"
"de fact" » "de fait", "e fact", "de falco"
"de facto" » "de faito", "e facto", "de falcoo", "de facts"

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 faito") OR ((("de fact") OR ("de facto"))))) OR ("model factor"))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"de faito\") or (((\"de fact\") OR (\"de facto\"))))) or (\"model factor\"))*".
• Removing quotes may allow a broader search: (((( de faito ) or ((( de fact ) OR ( de facto ))))) or ( model factor ))*.