Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
information center » information centers, information centre, information content
des communication » les communications, nets communication, c's communication
technologien als » technologien des, technologien fur, technologien und
als information » als informations, aids information, laws information
2.4 developing » 12.4 developing, 2.2 developing, 5.4 developing
developing ai » developing a, developing av, developing asia
center case » centers case, century case, center based
ai africa » ii africa, can africa, 1 africa
case des » cases des, case das, phase des

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

• Adding a wildcard symbol may retrieve word variants: technologien als information center case des communication cost 2.4 developing ai africa.*.