Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
model development » local development, social development, global development
de communication » mobile communication, online communication
technology case » technology based, technology can, technology change
case mitigation » care mitigation, gas mitigation, cost mitigation
1 afrique » l afrique, en afrique, 1 enrique

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

• Adding a wildcard symbol may retrieve word variants: technology case mitigation measures _ de communication cost model development 1 afrique.*.