Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
technologies 2 » technologies _, technologies 4
a developing » a development
developing 2 » developing _, developing a, developing e
3.2 und » 3.2 un, 1.2 und, 2.2 und
costs a » costs _, costs 4
2 areal » 2 real, _ areal, 2 areas
und de » und der, und des, und den

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 3.2 und de communication costs a developing 2 areal.*.