Perhaps you should try some spelling variations:
9.7 communication » 2.7 communication, 2.3 communication, 3.2 communication
model development » local development, social development, global development
development case » development china
relations cost » relations post, relations cross, relations case
technology 3 » technology _, technology 1, technology 4
3 relations » et relations, des relations
cost shares » cost share, cost sharing
costs model » cost model, cost models, costs money
shares 9.7 » shares 9.1, shares 9.4, shares 9.5
case birth » rate birth, sale birth

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

• Adding a wildcard symbol may retrieve word variants: technology 3 relations cost shares 9.7 communication costs model development case birth.*.