Perhaps you should try some spelling variations:
technologien aids » technologien als, technologien ad, technologien des
des communication » les communications, nets communication, c's communication
aids information » chandos information, series information
information case » information based, information can, information costs
3.5 developing » 3.3 developing, 3.2 developing, 1.5 developing
costs 3.5 » costs 4.2, costs 4.4, costs 2.3
case das » case des, case case, case data
das des » cas des, das der, das dem

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information case das des communication costs 3.5 developing _ areas.*.