Perhaps you should try some spelling variations:
modelle communication » modeling communication, mobile communication, modern communication
21st transformation » cost transformation, just transformation, 2.1.2 transformation
transformation als » transformation a, transformation _, transformation 1
technology 21st » technology 2.1.1, technology 2.1.2, technology 2.1.3
deren modelle » der modelle, drei modelle, reinen modelle
a developing » a development
developing a » developing _
als deren » als dessen, als der, als dreh
costs a » costs _, costs 4
a price » a primer

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

• Adding a wildcard symbol may retrieve word variants: technology 21st transformation als deren modelle communication costs a developing a price.*.