Perhaps you should try some spelling variations:
transportation network » transport network
communicators costs » communications costs, communication costs, communications cross
de transportation » does transportation, key transportation, _ transportation
der communicators » modern communicators, how communicators, superb communicators
network creation » network formation, network connection, network congestion
technologie de » technologies de, technologie der, technologie die
creation der » creation de, creation des, creation peer
4 developing » 3 developing
developing a » developing _
costs 4 » costs _, costs a, costs 4.2
a area » a areas, 1 area, 3 area

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

• Adding a wildcard symbol may retrieve word variants: technologie de transportation network creation der communicators costs 4 developing a area.*.