Perhaps you should try some spelling variations:
debt communication » de communication, et communication, get 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
3.5 developing » 3.3 developing, 3.2 developing, 1.5 developing
developing eu » developing e, developing eq, developing egg
contents due » contents auf, contents je, contents data
eu africa » em africa, 1 africa, 11 africa
due debt » does debt, pure debt, run debt
cost 3.5 » costs 3.5, cost 3.2, cost 2.5

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 due debt communication cost 3.5 developing eu africa.*.