Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
developpement de » developpement des, developpement durable
2.2 information » 4.2 information, 2.2.3 information, 2.2 transformation
a developpement » au developpement, de developpement, le developpement
technology 2.2 » technology _, technology 1, technology 3
information 2 » information 3
das mobile » does mobile, a mobile
costs a » costs _, costs 4
2 das » 1 das

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

• Adding a wildcard symbol may retrieve word variants: technology 2.2 information 2 das mobile communications costs a developpement de l'afrique.*.