Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
der communication » de communication, under communication, debt 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
east africa » west africa
contents i » contents 1, contents _, contents list
i der » ii der, _ der, 2 der

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 i der communication cost _ developing east africa.*.