Perhaps you should try some spelling variations:
model communications » modern communications, border communications, aided communications
communications costs » communication costs, communications _
transformation a » transformation _
4.2 developing » 2.2 developing, 3.2 developing, 4.1 developing
developing 1 » developing _, developing a, developing e
a models » a model, 2 models, 3 models
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: technologien _ transformation a models model communications costs 4.2 developing 1 areas.*.