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 asia » development asia, developing a
information b » information 2, information 1, information bank
4 developing » 3 developing
asia areas » basic areas, aside areas, basin areas
deep de » deep dive, deep node, deepen de
costs 4 » costs _, costs a, costs 4.2
b deep » _ deep, a deep, 3 deep

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 deep de communication costs 4 developing asia areas.*.