Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
technologien ad » technologien am, technologien und, technologien als
developing east » development east, developing a, developing asia
ad information » d information, nd information, od information
information b » information 2, information 1, information bank
4 developing » 3 developing
east areas » karst areas, east asezs
doing de » doing ke, doing _, doing a
b doing » _ doing, 3 doing, 5 doing
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien ad information b doing de communication costs 4 developing east areas.*.