Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
et communication » et communicatione, get communication, debt communication
technologien am » technologien im, technologien als, technologie im
am information » guam information, palm information, crm information
14 developing » 4 developing, 1 developing, 10 developing
contents 5.3 » content 5.3, contents 5.1, contents 2.3
developing a » developing _
a africa » 1 africa, can africa, em africa
cost 14 » cost 4, cost 12, cost 15
5.3 et » 5.3 ex, 5.3 best

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

• Adding a wildcard symbol may retrieve word variants: technologien am information contents 5.3 et communication cost 14 developing a africa.*.