Perhaps you should try some spelling variations:
des communication » les communications, nets communication, c's communication
information und » informations und
technologies 4 » technologies _
4 information » 2 information, 1 information
developing e » developing _, developing a, developing east
und dauer » und daruber, und daten
dauer des » dauer der
e areas » 1 areas, 2 areas, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information und dauer des communication costs _ developing e areas.*.