Perhaps you should try some spelling variations:
information context » information content, information contents, information centers
oral communication » personal communication
technologien d » technologien ad, technologien _, technologien 1
4.1 developing » 3.1 developing, 4 developing, 3.3 developing
d information » nd information, od information, und information
developing em » developing e, developing eq, developing amp
context new » contexts new, context neo, kontext neue
costs 4.1 » costs 4.2, costs 4.4, costs 4.3
em africa » 1 africa
new oral » new moral, knew moral, new rural

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

• Adding a wildcard symbol may retrieve word variants: technologien d information context new oral communication costs 4.1 developing em africa.*.