Perhaps you should try some spelling variations:
oral communication » personal communication
network modeling » network modelling, network model, network models
technologie der » technologie de, technologien des, technologies de
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
der transport » de transport, den transport, door transport
modeling oral » modeling oil, modeling model, modeling a
developing 1 » developing _, developing a, developing e
costs 3.2 » costs 4.2, cost 3.2, costs 3.5
1 areas » 1 area, 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 der transport network modeling oral communication costs 3.2 developing 1 areas.*.