Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
speed communications » based communication, cell communications, guinea communications
developpement de » developpement des, developpement durable
a developpement » au developpement, de developpement, le developpement
ii information » i information, 2 information, 1 information
technology ii » technology ict, technology 1, technology 3
information 2 » information 3
areas speed » access speed
2 areas » 1 areas, 2 areal, 4 areas
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology ii information 2 areas speed communications costs a developpement de l'afrique.*.