Perhaps you should try some spelling variations:
wireless communication » wireless communications, business communication
information befunde » information before, information beyond, information und
technologien ad » technologien am, technologien und, technologien als
ad information » d information, nd information, od information
der wireless » over wireless, modern wireless, other wireless
4 developing » 3 developing
befunde der » befunde zur
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 befunde der wireless communication costs 4 developing _ areas.*.