Perhaps you should try some spelling variations:
case communication » based communication, scale communication, face communication
technologien des » technologien fur, technologien und, technologies 2
des informations » aids information
4 development » 2 development, 4 developing
development 4 » development 1
state case » states case, states cases, state based
und state » end state, under state, und staaten
costs 4 » costs _, costs a, costs 4.2
4 areas » 1 areas, 2 areas, 4 areal

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

• Adding a wildcard symbol may retrieve word variants: technologien des informations und state case communication costs 4 development 4 areas.*.