Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
von information » von informationen, can information
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
technology von » technology vi, technology vt, technology vision
de mobile » die mobile, e mobile, does mobile
l afrique » en afrique
about de » about due, about dead, about debt
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology von information about de mobile communications costs 4 developpement l afrique.*.