Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologien des » technologien fur, technologien und, technologies 2
eu communication » ec communication, et communication, de communication
des information » des informations, does information, dis information
12.4 developing » 1.4 developing, 2.2 developing, 1.3 developing
developing 11 » developing _, developing a, developing e
contents how » content how, contents co, contents mot
cost 12.4 » coast 12.4, costs 12.4, cost 2.4
11 africa » 11 african, 1 africa, 1.1 african

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 eu communication cost 12.4 developing 11 africa.*.