Perhaps you should try some spelling variations:
grey communication » de communication, why communication, way communication
communication cost » communication costs, communication costa, communications costs
technologien dis » technologien des, technologien als, technologien im
dis information » mis information, aids information, des informations
1.2 developing » 12.2 developing, 13.2 developing, 2.2 developing
developing a » developing _
cost 1.2 » cost 3.2, cost 12, cost 2.2
a africa » 1 africa, can africa, em africa
1 grey » _ grey, 3 grey, 6 grey
contents » context

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

• Adding a wildcard symbol may retrieve word variants: technologien dis information contents 1 grey communication cost 1.2 developing a africa.*.