Perhaps you should try some spelling variations:
"modes factor" » "models factor", "model factor", "mode factor", "modes factr", "modes factsr"
"de sectores" » "de actores", "los sectores"
"mode factsr" » "mode factor", "model factor", "model facts"
"e factor" » "e factors", "one factor", "age factor", "e factr", "e factsr"
"de facto" » "de fact", "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 facto") OR ("e factor"))) OR ((("de sectores") OR ((("mode factsr") OR ("modes factor"))))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"de facto\") or (\"e factor\"))) or (((\"de sectores\") or (((\"mode factsr\") OR (\"modes factor\"))))))*".
• Removing quotes may allow a broader search: (((( de facto ) or ( e factor ))) or ((( de sectores ) or ((( mode factsr ) OR ( modes factor ))))))*.