Perhaps you should try some spelling variations:
communication costs » communication systems, communication efforts, communication skills
technologies new » technologies _, technologies a
information gaps » information gap, information flows, information needs
new information » _ information, energy information, chief information
a developpement » de developpement, a development, _ development
de mobile » does mobile, _ mobile, a mobile
costs a » costs _

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

• Adding a wildcard symbol may retrieve word variants: technologies new information gaps de mobile communication costs a developpement _ africa.*.