Perhaps you should try some spelling variations:
transportation costs » transport costs
moral communication » oral communication, global communication, verbal communication
air transportation » rail transportation, high transportation, _ transportation
technologien air » technologien fur, technologien als, technologien am
developing a » developing _
state moral » state model, state rural, state models
a area » a areas, 1 area, 3 area

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

• Adding a wildcard symbol may retrieve word variants: technologien air transportation costs state moral communication costs _ developing a area.*.