Perhaps you should try some spelling variations:
personal communication » interpersonal communication
information content » information contents, information centers, information centre
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
developing em » developing e, developing eq, developing amp
1 developing » 3 developing, 4 developing, 2 developing
em africa » 1 africa
costs 1 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technologien als information content _ personal communication costs 1 developing em africa.*.