Perhaps you should try some spelling variations:
debt communication » de communication, et communication, get communication
communication cost » communication costs, communication costa, communications costs
technologien und » technologie und, technologien des, technologien fur
und information » fund information, road information, award information
1.5 developing » 1.3 developing, 15 developing, 1.4 developing
contents data » context data, contents a, contents fase
data debt » data den, data debatte
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 und information contents data debt communication cost 1.5 developing _ africa.*.