Perhaps you should try some spelling variations:
communication network » communication networks, communications network, communications networks
data communication » data communications
care developpement » care development, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
technologies 1 » technologies _, technologies 4, technologies 2
information 3 » information 2
network care » network case, network aware, network area
cost data » test data
3 cost » 3 costs, 2.3 cost, 3.3 cost

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

• Adding a wildcard symbol may retrieve word variants: technologies 1 information 3 cost data communication network care developpement en afrique.*.