Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologie road » technology road, technologie und, technologie 3d
de communication » mobile communication, online communication
4.1.3 developing » 4.2.3 developing, 4.3.3 developing, 4.1 developing
contents 8.1 » contents 3.1, contents 5.1, contexts 8.1
developing a » developing _
cost 4.1.3 » costs 1.1.3, costs 2.1.3, costs 5.1.3
a africa » 1 africa, can africa, em africa
8.1 de » 8.1 die, 8.1 der, 8.1 ende

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

• Adding a wildcard symbol may retrieve word variants: technologie road information contents 8.1 de communication cost 4.1.3 developing a africa.*.