Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
2.2 communications » 2.2 communication, 4.2 communications, 3.2 communication
developpement l » developpement il, developpement la, developpement de
technology 4 » technology _, technology 1, technology 3
4 inflation » _ inflation, 2 inflation, 6 inflation
rate space » state space, trace space, safe space
space 2.2 » space 2.1, space 3.2, space 3.3
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology 4 inflation rate space 2.2 communications costs _ developpement l afrique.*.