Perhaps you should try some spelling variations:
green communication » grey communication, greece communications, open communication
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
contents how » content how, contents co, contents mot
1 developing » 3 developing, 4 developing, 2 developing
developing 1 » developing _, developing a, developing e
how green » how great
costs 1 » costs _, costs 4, costs a

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 how green communication costs 1 developing 1 africa.*.