Perhaps you should try some spelling variations:
technologien dis » technologien des, technologien als, technologien im
de communication » mobile communication, online communication
dis information » mis information, aids information, des informations
developing seas » developing areas, developing east, developing self
information b » information 2, information 1, information bank
4 developing » 3 developing
deepen de » deepen _, deep node
b deepen » _ deepen, 7 deepen, _ deeper
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 dis information b deepen de communication costs 4 developing seas areas.*.