Perhaps you should try some spelling variations:
model development » local development, social development, global development
relations across » relations cross, regulations across, correlations across
de communication » mobile communication, online communication
development case » development china
technology its » technology isst, technology ict, technology ii
its relations » its relation, les relations, its relationship
costs model » cost model, cost models, costs money
case birth » rate birth, sale birth
scales de » sociales de, fiscales de, locales de

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

• Adding a wildcard symbol may retrieve word variants: technology its relations across scales de communication costs model development case birth.*.