Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
information center » information centers, information centre, information content
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
3 communication » 4 communication, de communication, data communication
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
developing em » developing e, developing eq, developing amp
center how » century how, better how, gender how
em africa » 1 africa
cost 3.2 » cost 2.4
how 3 » how 3d, how _, how 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 center how 3 communication cost 3.2 developing em africa.*.