Perhaps you should try some spelling variations:
models development » model development, module development, model developments
communication cost » communication costs, communication costa, communications costs
development case » development china
relations cross » relations case
7 communication » 3 communication, 4 communication, de communication
technology 1.2 » technology 2.2, technology 3.2, technology 1.1
1.2 relations » 1.4 relations, 2.2 relations, 16.6 relations
cross share » cross sphere, cross square, class share
cost models » cost model, logit models
case birth » rate birth, sale birth
share 7 » share _, share b, shared _

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

• Adding a wildcard symbol may retrieve word variants: technology 1.2 relations cross share 7 communication cost models development case birth.*.