Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
des communication » les communications, nets communication, c's communication
technologien des » technologien fur, technologien und, technologies 2
des information » des informations, does information, dis information
developing east » development east, developing a, developing asia
4 developing » 3 developing
east africa » west africa
contents a » contents 1, contents _, contents i
cost 4 » cost _, cost 2.4
a des » a der, a das

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

• Adding a wildcard symbol may retrieve word variants: technologien des information contents a des communication cost 4 developing east africa.*.