Perhaps you should try some spelling variations:
transportation network » transport network
model communicators » modern communicators, modern communicator, modern communications
communicators costs » communications costs, communication costs, communications cross
de transportation » does transportation, key transportation, _ transportation
technologie de » technologies de, technologie der, technologie die
3.3 developing » 4 developing, 2 developing, 1 developing
network area » network based, network aware, network brisa
developing e » developing _, developing a, developing east
area model » areas model, arena model, dea model
costs 3.3 » costs 2.3, costs 3.5, costs 4.3
e areas » 1 areas, 2 areas, 4 areas

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 area model communicators costs 3.3 developing e areas.*.