Perhaps you should try some spelling variations:
communication model » communication media
rural communication » rural communications, oral communication, moral communication
integrating world » integrated world, integrating area, integrating land
du developpement » de developpement, le developpement, et developpement
developpement de » developpement des, developpement durable
2 integrating » _ integrating, 4 integrating, 6 integrating
technology 2 » technology _, technology 1, technology 3
model du » model due, model d, model dal
world 2 » world _, world a, world 1
2 rural » a rural

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

• Adding a wildcard symbol may retrieve word variants: technology 2 integrating world 2 rural communication model du developpement de l'afrique.*.