Perhaps you should try some spelling variations:
communication network » communication networks, communications network, communications networks
data communication » data communications
do developpement » de developpement, du developpement, le developpement
developpement la » developpement de, developpement et, developpement du
4 information » 2 information, 1 information
information 3 » information 2
technology 4 » technology _, technology 1, technology 3
network do » network dmz, network _, network 3
la afrique » l afrique, la fabrique, en afrique
3 book » 23 book, e book, 2 book

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

• Adding a wildcard symbol may retrieve word variants: technology 4 information 3 book data communication network do developpement la afrique.*.