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