Perhaps you should try some spelling variations:
des communication » les communications, nets communication, c's communication
information case » information based, information can, information costs
1.3 developing » 3.3 developing, 13 developing, 7.3 developing
developing 1 » developing _, developing a, developing e
costs 1.3 » costs 12.3, costs 14.3, costs 15.3
case das » case des, case case, case data
das des » cas des, das der, das dem
1 areas » 1 area, 2 areas, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technologien _ information case das des communication costs 1.3 developing 1 areas.*.