Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
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
contents phasen » contents fase, contents panel, context phase
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
phasen des » phase der
cost 2.2 » costs 2.2, cost 2.4, cost 3.2

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

• Adding a wildcard symbol may retrieve word variants: technologien als information contents phasen des communication cost 2.2 developing _ africa.*.