Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
technology price » technology rich, technology voice, technology service
1 communications » 10 communications, 14 communications, 1 communication
developpement de » developpement des, developpement durable
a developpement » au developpement, de developpement, le developpement
inflation das » inflation bias, inflation tax, inflation a
de afrique » de l'afrique, en afrique, l afrique
das case » das coase, das cafe, das close
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 price inflation das case 1 communications costs a developpement de afrique.*.