Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
model communications » modern communications, border communications, aided communications
des transformations » les transformations, model transformations, order transformations
transformations 2 » transformations _, transformations 1, transformations 3
technologien des » technologien fur, technologien und, technologies 2
developing a » developing _
model model » models model, model code
2 model » 3.2 model, 4.2 model, 2.2 model
a 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: technologien des transformations 2 model model communications costs _ developing a areas.*.