Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
model communications » modern communications, border communications, aided communications
technologien und » technologie und, technologien des, technologien fur
und information » fund information, road information, award information
developing base » developing based, developing east, developing brain
a developing » a development
state model » stage model, scale model
base trends » case trends, age trends, use trends
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologien und information 3.2 state model communications costs a developing base trends.*.