Perhaps you should try some spelling variations:
communication network » communication networks, communications network, communications networks
data communication » data communications
du developpement » de developpement, le developpement, et developpement
developpement en » developpement et, developpement des, developpement de
technology uses » technology users, technology use, technology used
uses innovation » user innovation, use innovation, does innovation
innovation 1 » innovation _, innovation a
network du » network do, network dmz, network _
1 book » 1 books, 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 uses innovation 1 book data communication network du developpement en afrique.*.