Perhaps you should try some spelling variations:
model communication » modern communication, moral communication, modeling communication
formation model » information model, formulation model, formation module
technologien a » technologien am, technologien ad, technologien _
4 developing » 3 developing
developing e » developing _, developing a, developing east
a transport » 3 transport, 4 transport, sea transport
costs 4 » costs _, costs a, costs 4.2
e areal » _ areal, 2 areal, 4 areal

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

• Adding a wildcard symbol may retrieve word variants: technologien a transport network formation model communication costs 4 developing e areal.*.