Perhaps you should try some spelling variations:
des communication » les communications, nets communication, c's communication
information case » information based, information can, information costs
technologies 2 » technologies _, technologies 4
4.4 developing » 5.4 developing, 6.4 developing, 1.4 developing
costs 4.4 » costs 4.2
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: technologies 2 information case das des communication costs 4.4 developing _ areas.*.