Perhaps you should try some spelling variations:
debt communication » de communication, et communication, get communication
communication cost » communication costs, communication costa, communications costs
technologien from » technologies from, technology from, technologien fur
from information » from informal, 1 information
11.3 developing » 1.3 developing, 10.3 developing, 11.5 developing
developing av » developing a, developing ai, developing amp
cost 11.3 » cost 11.5, cost 4.1.3, costs 11.1
av africa » v africa, iv africa, can africa

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

• Adding a wildcard symbol may retrieve word variants: technologien from information contents _ debt communication cost 11.3 developing av africa.*.