Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologien does » technologien des, technologien als, technologie de
information cases » information case, information classes, information costs
des communication » les communications, nets communication, c's communication
does information » des informations, dis information, users information
2.4 developing » 12.4 developing, 2.2 developing, 5.4 developing
developing 2 » developing _, developing a, developing e
des des » des deas, des dem, des der
2 areas » 1 areas, 2 areal, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologien does information cases des des communication cost 2.4 developing 2 areas.*.