Perhaps you should try some spelling variations:
information centre » information centers, information contents
oral communication » personal communication
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
3.5 developing » 3.3 developing, 3.2 developing, 1.5 developing
developing em » developing e, developing eq, developing amp
centre kiel » centre kuala, centre mitec, centre model
kiel oral » kiel moral
costs 3.5 » costs 4.2, costs 4.4, costs 2.3
em africa » 1 africa

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information centre kiel oral communication costs 3.5 developing em africa.*.