Perhaps you should try some spelling variations:
unter communication » under communication, ante communication, water communication
technologies de » technologies _, technologies 4, technologies 2
4.2 developing » 2.2 developing, 3.2 developing, 4.1 developing
de transition » phase transition
developing 1 » developing _, developing a, developing e
und unter » und bunter, und unten, und unteren
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: technologies de transition _ und unter communication costs 4.2 developing 1 areas.*.