Perhaps you should try some spelling variations:
data communication » data communications
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
information und » informations und
development 2.3 » development 2.1, development 1
2.3 areal » 4.3 areas, 1.3 area, 2 areal
den data » dan data, dn data, open data
und den » und der, und des, und deren

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

• Adding a wildcard symbol may retrieve word variants: technologien des information und den data communication costs _ development 2.3 areal.*.