Perhaps you should try some spelling variations:
voice communication » voice communications, mobile communication, device communication
developing reforms » developing forms, development reforms, developing artworks
information 2.3.2 » information 2.2.2, information 4.3.2, information 3.2
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
a developing » a development
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologien des information 2.3.2 _ voice communication costs a developing reforms across.*.