Perhaps you should try some spelling variations:
technologien des » technologien fur, technologien und, technologies 2
de communication » mobile communication, online communication
des information » des informations, does information, dis information
2.3 development » 2 development, 2015 development, 1 development
contents 3.1 » contents 1, contents _, contents map
china asia » china asean
costs 2.3 » costs 4.2, costs 4.4
3.1 de » 3.1 die, 3.1 der, 3.1 def

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

• Adding a wildcard symbol may retrieve word variants: technologien des information contents 3.1 de communication costs 2.3 development china asia.*.