Perhaps you should try some spelling variations:
online communication » mobile communication, business communication, mobile communications
information content » information contents, information centers, information centre
communication cost » communication costs, communication costa, communications costs
technologien ad » technologien am, technologien und, technologien als
developing east » development east, developing a, developing asia
ad information » d information, nd information, od information
3.3 developing » 4 developing, 2 developing, 1 developing
east africa » west africa
cost 3.3 » cost 3.2, cost 2.3, cost 3.4

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

• Adding a wildcard symbol may retrieve word variants: technologien ad information content _ online communication cost 3.3 developing east africa.*.