Perhaps you should try some spelling variations:
rural communication » rural communications, oral communication, moral communication
communication model » communication media
technologien zur » technologien fur, technologien des, technologien und
integration work » integrating world, integration framework, integration 3
du developpement » de developpement, le developpement, et developpement
developpement en » developpement et, developpement des, developpement de
model du » model due, model d, model dal
1 rural » 10 rural, a rural, 2 rural
work 1 » work 3, work 6, work 7

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

• Adding a wildcard symbol may retrieve word variants: technologien zur integration work 1 rural communication model du developpement en afrique.*.