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
2 integration » 3 integration, der integration, data integration
technology 2 » technology _, technology 1, technology 3
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: technology 2 integration work 1 rural communication model deep developpement de l'afrique.*.