Perhaps you should try some spelling variations:
communication network » communication networks, communications network, communications networks
data communication » data communications
developpement la » developpement de, developpement et, developpement du
a information » 2 information, 1 information
information 2 » information 3
technology a » technology 1, technology 3, technology 4
la afrique » l afrique, la fabrique, en afrique
cost data » test data
2 cost » 3.2 cost, 5.2 cost

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

• Adding a wildcard symbol may retrieve word variants: technology a information 2 cost data communication network _ developpement la afrique.*.