Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
technologien nd » technologien und, technologien ad, technologie und
developing cpia » developing china, developing asia, developing cil
nd information » und information, d information, od information
4.4 developing » 5.4 developing, 6.4 developing, 1.4 developing
contents 3 » contents 1, contents _, contents i
costs 4.4 » costs 4.2
3 de » 3 die, 3 der, 3 des

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

• Adding a wildcard symbol may retrieve word variants: technologien nd information contents 3 de communication costs 4.4 developing cpia africa.*.