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
au developpement » du developpement, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
information 4 » information 2
de mobile » die mobile, e mobile, does mobile
costs au » costs a, costs amy, costs _
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 au developpement en afrique.*.