Perhaps you should try some spelling variations:
debt communication » de communication, et communication, get communication
communication cost » communication costs, communication costa, communications costs
technologien does » technologien des, technologien als, technologie de
does information » des informations, dis information, users information
1.5 developing » 1.3 developing, 15 developing, 1.4 developing
contents due » contents auf, contents je, contents data
due debt » does debt, pure debt, run debt
cost 1.5 » cost 11.5, cost 1.2, cost 15

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

• Adding a wildcard symbol may retrieve word variants: technologien does information contents due debt communication cost 1.5 developing _ africa.*.