Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
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 des » technology does, technology debts, technology nodes
des relations » les relations, its relations, et relations
across same » across space, across age, across scales
case birth » rate birth, sale birth
same de » dame de, ame de, same idea

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

• Adding a wildcard symbol may retrieve word variants: technology des relations across same de communication cost model development case birth.*.