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 rapid » technology rate, technology road, technology trap
developpement de » developpement des, developpement durable
rapid inflation » rapid population
inflation taxes » inflation rates, inflation tax, inflation targets
a developpement » au developpement, de developpement, le developpement
taxes space » tax space
de afrique » de l'afrique, en afrique, l afrique
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 rapid inflation taxes space 2.1 communications costs a developpement de afrique.*.