Perhaps you should try some spelling variations:
communication model » communication media
rural communication » rural communications, oral communication, moral communication
due developpement » de developpement, du developpement, le developpement
integration work » integrating world, integration framework, integration 3
developpement de » developpement des, developpement durable
2 integration » 3 integration, der integration, data integration
technology 2 » technology _, technology 1, technology 3
model due » model du, model deep, model d
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 2 integration work 6 rural communication model due developpement de l'afrique.*.