Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
2.1 communications » 3.1 communications, 4.1 communication, 1.1 communication
technology users » technology use, technology series, technology transfers
le developpement » de developpement, sme development
developpement et » developpement des, developpement de, development east
users inflation » users information, der inflation, does inflation
rate space » state space, trace space, safe space
et afrique » en afrique, l afrique
costs le » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology users inflation rate space 2.1 communications costs le developpement et afrique.*.