Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information credible » information credit, information table, information centre
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
ct information » cost information, get information, iot information
credible voice » credible source, credible volume
technology ct » technology cost, technology can, technology 1
voice 3.1 » voice 3.9, voices 2.1, voices 3.3
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 ct information credible voice 3.1 communications costs 4 developpement l afrique.*.