Perhaps you should try some spelling variations:
oral communication » personal communication
technologien am » technologien im, technologien als, technologie im
am information » guam information, palm information, crm information
1.3 developing » 3.3 developing, 13 developing, 7.3 developing
developing can » developing a, developing ai, developing av
contents neo » contents new, contents co, contents je
can africa » urban africa
costs 1.3 » costs 12.3, costs 14.3, costs 15.3
neo oral » new oral, who oral

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

• Adding a wildcard symbol may retrieve word variants: technologien am information contents neo oral communication costs 1.3 developing can africa.*.