Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologien zur » technologien fur, technologien des, technologien und
ec communication » de communication, 3 communication, 4 communication
zur information » fur information, your information, der information
1.4 developing » 12.4 developing, 1.3 developing, 14 developing
developing 1 » developing _, developing a, developing e
contents co » contents how, contents lcm, contents 1
cost 1.4 » cost 14.4, cost 2.4, cost 1.2

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

• Adding a wildcard symbol may retrieve word variants: technologien zur information contents co ec communication cost 1.4 developing 1 africa.*.