Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
de communication » mobile communication, online communication
technologie und » technologies 2.1
und information » fund information, road information, award information
developing east » development east, developing a, developing asia
3 developing » 3 development
east africa » west africa
contents a » contents 1, contents _, contents i
cost 3 » cost 3d, cost e3, cost _
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technologie und information contents a de communication cost 3 developing east africa.*.