Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
au developpement » du developpement, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
ict information » ct information, iot information, ist information
technology ict » technology 1
information 3 » information 2
das mobile » does mobile, a mobile
costs au » costs a, costs amy, costs _
3 das » 1 das, 2 das

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

• Adding a wildcard symbol may retrieve word variants: technology ict information 3 das mobile communications costs au developpement en afrique.*.