Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologien road » technologien ad, technologien und, technologien am
eu communication » ec communication, et communication, de communication
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
developing em » developing e, developing eq, developing amp
contents do » contents co, contents how, contents mot
em africa » 1 africa
cost 2.2 » costs 2.2, cost 2.4, cost 3.2
do eu » do eq, do ex

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

• Adding a wildcard symbol may retrieve word variants: technologien road information contents do eu communication cost 2.2 developing em africa.*.