Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3 communications » 3 communication, 2 communications, 4 communications
developpement de » developpement des, developpement durable
technology low » technology flow, technology law, technology led
low inflation » core inflation, _ inflation
rate space » state space, trace space, safe space
de afrique » de l'afrique, en afrique, l afrique
space 3 » space _, space a, space 1

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

• Adding a wildcard symbol may retrieve word variants: technology low inflation rate space 3 communications costs _ developpement de afrique.*.