Perhaps you should try some spelling variations:
personal communication » interpersonal communication
information kontext » information content, information contents, information centers
technologien dis » technologien des, technologien als, technologien im
dis information » mis information, aids information, des informations
von personal » non personal, lohn personal, von personen
2 developing » 3 developing, 4 developing, 2 development
developing 1 » developing _, developing a, developing e
costs 2 » costs 20, costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologien dis information kontext von personal communication costs 2 developing 1 africa.*.