Perhaps you should try some spelling variations:
"social etats model" » "social ethics model", "social etas model", "social rats model", "social beats model"
"social jet model" » "social je model", "social act model", "social jetlag model", "social net model", "social set model"
"social jose model" » "social pose model", "social rose model", "social mouse 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 etats model") OR ((("social jet model") OR ("social jose model")))).
• Removing quotes may allow a broader search: (( social etats model ) or ((( social jet model ) or ( social jose model )))).
• Adding a wildcard symbol may retrieve word variants: (("social etats model") or ((("social jet model") or ("social jose model"))))*.