Perhaps you should try some spelling variations:
lehr communication » layer communication, de communication, csr communication
technologien dis » technologien des, technologien als, technologien im
dis information » mis information, aids information, des informations
13 developing » 1.3 developing, 3 developing, 1 developing
contents der » content der, contents je, contents key
developing a » developing _
der lehr » der lehre, der leib, der lern
costs 13 » costs 1, costs 3, costs 12.3
a africa » 1 africa, can africa, em africa

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

• Adding a wildcard symbol may retrieve word variants: technologien dis information contents der lehr communication costs 13 developing a africa.*.