Perhaps you should try some spelling variations:
model development » local development, social development, global development
development case » development china
7 communication » 3 communication, 4 communication, de communication
relations qos » relations 21st, relations _, relations a
technology 1 » technology _
1 relations » 3 relations, a relations, 1.2 relations
costs model » cost model, cost models, costs money
case birth » rate birth, sale birth
aware 7 » aware _, aware 4, aware co

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technology 1 relations qos aware 7 communication costs model development case birth.*.