Perhaps you should try some spelling variations:
transformation use » transformational use, transformations used, transformation und
technologien die » technologie die, technologien des, technologien im
developpement de » developpement des, developpement durable
3 communication » 4 communication, de communication, data communication
4 developpement » de developpement, le developpement, et developpement
use water » unsafe water
de africa » does africa, de america, use africa
water 3 » water 23, water _, water a
media 4 » media _, media 1, media 3

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

• Adding a wildcard symbol may retrieve word variants: technologien die transformation use water 3 communication media 4 developpement de africa.*.