Perhaps you should try some spelling variations:
information content » information contents, information centers, information centre
oral communication » personal communication
technologien des » technologien fur, technologien und, technologies 2
developing areas » developing asia, developing east, developing a
des information » des informations, does information, dis information
areas africa » arabs africa, dress africa, farmers africa
content 16 » content 1, content 6, content 10
16 oral » 16 moral, 1 oral, 10 oral

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

• Adding a wildcard symbol may retrieve word variants: technologien des information content 16 oral communication costs _ developing areas africa.*.