Perhaps you should try some spelling variations:
model communicators » modern communicators, modern communicator, modern communications
communicators costs » communications costs, communication costs, communications cross
technologie le » technologies le, technologie de, technologie ve
4.1 developing » 3.1 developing, 4 developing, 3.3 developing
le transport » de transport, sea transport, 3 transport
network dea » network data, network area, network dwen
dea model » data model, meta model, a model
costs 4.1 » costs 4.2, costs 4.4, costs 4.3

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

• Adding a wildcard symbol may retrieve word variants: technologie le transport network dea model communicators costs 4.1 developing _ areas.*.