Perhaps you should try some spelling variations:
communication network » communication networks, communications network, communications networks
information case » information based, information can, information costs
de communication » mobile communication, online communication
development lie » development life, development li, development lid
technologies 4 » technologies _
4 information » 2 information, 1 information
lie afrique » l afrique
case des » cases des, case das, phase des
des de » des dem, des der, des des

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information case des de communication network _ development lie afrique.*.