Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
10.4 developing » 1.4 developing, 12.4 developing, 10.3 developing
developing can » developing a, developing ai, developing av
technology 1 » technology _
costs 10.4 » costs 10.6, costs 11.4, costs 12.4
can africa » urban africa
1 de » 1 die, 1 der, _ de
contents » context

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

• Adding a wildcard symbol may retrieve word variants: technology 1 information contents 1 de communication costs 10.4 developing can africa.*.