Perhaps you should try some spelling variations:
information centres » information centre, information centrism, information centers
oral communication » personal communication
technologien ad » technologien am, technologien und, technologien als
ad information » d information, nd information, od information
developing av » developing a, developing ai, developing amp
centres kiel » centres de
4 developing » 3 developing
kiel oral » kiel moral
av africa » v africa, iv africa, can africa
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien ad information centres kiel oral communication costs 4 developing av africa.*.