Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
technologies 3 » technologies _, technologies 4, technologies 2
3 informations » 3 information, 2 informations, 4 informations
developing 21 » developing _, developing a, developing e
4 developing » 3 developing
und case » und care, und cash, id case
case de » case des, case d, case d1
costs 4 » costs _, costs a, costs 4.2
21 area » 2.1 area, 1 area, 26 area

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

• Adding a wildcard symbol may retrieve word variants: technologies 3 informations und case de communication costs 4 developing 21 area.*.