Perhaps you should try some spelling variations:
communication network » communication networks, communications network, communications networks
data communication » data communications
au developpement » du developpement, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
how information » new information, 2 information, 1 information
technology how » technology 1, technology 2.2, technology 3
information 3 » information 2
network au » network a, network ac, network anp
3 aids » _ aids, 3 aims

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

• Adding a wildcard symbol may retrieve word variants: technology how information 3 aids data communication network au developpement en afrique.*.