Perhaps you should try some spelling variations:
technologien ist » technologien im, technologien mit, technologies exist
information case » information based, information can, information costs
de communication » mobile communication, online communication
ist information » iot information, first information, cost information
4.2 developing » 2.2 developing, 3.2 developing, 4.1 developing
case des » cases des, case das, phase des
des de » des dem, des der, des des

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

• Adding a wildcard symbol may retrieve word variants: technologien ist information case des de communication costs 4.2 developing _ areas.*.