Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
usage information » age information, use information, wage information
technology usage » technology use, technology age, technology users
information what » information war, information when, information wants
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
l afrique » en afrique
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 usage information what data data communications costs 4 developpement l afrique.*.