Perhaps you should try some spelling variations:
transportation networks » transportation network
bus transportation » gas transportation, _ transportation, air transportation
oral communication » personal communication
technologien bus » technologien des, technologien fur, technologien als
networks von » networks via, networks among, networks work
a developing » a development
developing e » developing _, developing a, developing east
von oral » von moral, von ogai, von ohad
costs a » costs _, costs 4
e 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 bus transportation networks von oral communication costs a developing e areas.*.