Perhaps you should try some spelling variations:
communication model » communication media
rural communication » rural communications, oral communication, moral communication
integration work » integrating world, integration framework, integration 3
du developpement » de developpement, le developpement, et developpement
developpement en » developpement et, developpement des, developpement de
der integration » zur integration, sector integration
technology der » technology does, technology 4ir, technology dlt
model du » model due, model d, model dal
6 rural » a rural, 2 rural, 4 rural
work 6 » work 3, work 7

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

• Adding a wildcard symbol may retrieve word variants: technology der integration work 6 rural communication model du developpement en afrique.*.