Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
speed communications » based communication, cell communications, guinea communications
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
i information » 2 information, 1 information
information 3 » information 2
technology i » technology ii, technology iv, technology 1
aes speed » a speed, any speed, access speed
costs le » costs _, costs 4, costs a
3 aes » 3 abs, _ aes

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

• Adding a wildcard symbol may retrieve word variants: technology i information 3 aes speed communications costs le developpement en afrique.*.