Perhaps you should try some spelling variations:
personal communication » interpersonal communication
informationsgehalt iv » informationsgehalt der, informationsgehalt 1.2, informationsgehalt 1.3
technologien des » technologien fur, technologien und, technologies 2
4 developing » 3 developing
developing 4 » developing _, developing a, developing e
iv personal » a personal, 1 personal, 4 personal
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 _ informationsgehalt iv personal communication costs 4 developing 4 areas.*.