Perhaps you should try some spelling variations:
"social njet model" » "social net model", "social nets model", "social ne model", "social jet model", "social net models", "social njnet model", "social njset model", "social njjet model"
"social et model" » "social en model", "social e model", "social etats model", "social net model", "social set model", "social jet model"
"social na model" » "social a model", "social net model", "social _ model", "social dna model", "social rna 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 et model") OR ((("social na model") OR ("social njet model")))).
• Removing quotes may allow a broader search: (( social et model ) or ((( social na model ) or ( social njet model )))).
• Adding a wildcard symbol may retrieve word variants: (("social et model") or ((("social na model") or ("social njet model"))))*.