Perhaps you should try some spelling variations:
development america » development africa, development numerical, development armenia
communication cost » communication costs, communication costa, communications costs
integration roles » integration regimes, integration reforms, integration points
urban development » human development
eg communication » 5g communication, de communication, 3 communication
technologies de » technologies _, technologies 4, technologies 2
de integration » die integration, re integration, une integration
america case » africa case, america a
cost urban » most urban, worst urban, bust urban
roles des » role des, roles de, role de

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

• Adding a wildcard symbol may retrieve word variants: technologies de integration roles des eg communication cost urban development america case.*.