Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
4.2 developpement » 4.2 development, de developpement, le developpement
technology price » technology rich, technology voice, technology service
1 communications » 10 communications, 14 communications, 1 communication
developpement en » developpement et, developpement des, developpement de
inflation das » inflation bias, inflation tax, inflation a
das case » das coase, das cafe, das close

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 4.2 developpement en afrique.*.