Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
de communication » mobile communication, online communication
technologien od » technologien ad, technologien und, technologien _
developing east » development east, developing a, developing asia
od information » d information, nd information, road information
2 developing » 3 developing, 4 developing, 2 development
east africa » west africa
cost 2 » cost 12, cost _, cost 4

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

• Adding a wildcard symbol may retrieve word variants: technologien od information contents _ de communication cost 2 developing east africa.*.