Perhaps you should try some spelling variations:
communication model » communication media
rural communication » rural communications, oral communication, moral communication
deep developpement » de developpement, deux developpements, le developpement
integration work » integrating world, integration framework, integration 3
developpement de » developpement des, developpement durable
12 integration » 1.2 integration, r12 integration, 2 integration
technology 12 » technology 1.2, technology 1, technology 2
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 12 integration work 6 rural communication model deep developpement de l'afrique.*.