Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications costs » communication costs, communications _
change information » chandos information, trade information
technology change » technological change, technological changes
developpement en » developpement et, developpement des, developpement de
a developpement » au developpement, de developpement, le developpement
information 4 » information 2
de mobile » die mobile, e mobile, does mobile
costs a » costs _, costs 4
4 de » 4 die, 4 der, 4 des

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

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