Perhaps you should try some spelling variations:
"special request de" » "special respect de", "special request d", "special request e", "special request he"
"special effect model" » "special effects model", "spectral effects model", "special respect model", "special effect models", "special effects models"
"social exact model" » "social effect model", "social etats model", "social et model"

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: (("social exact model") OR ((("special effect model") OR ("special request de"))))*.
• Removing quotes may allow a broader search: (( social exact model ) or ((( special effect model ) or ( special request de ))))*.