Perhaps you should try some spelling variations:
level communication » level communications, cell communication, event communication
technologien land » technologien und, technologien ad, technologie und
land transport » road transport
network credit » network media, network creation
credit level » credit levels, credit lines, credit line
4 developing » 3 developing
developing 1 » developing _, developing a, developing e
costs 4 » costs _, costs a, costs 4.2
1 areas » 1 area, 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 land transport network credit level communication costs 4 developing 1 areas.*.