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 en » developpement et, developpement des, developpement de
4.1 integration » 3.3 integration, 4 integration, 3 integration
technology 4.1 » technology 3.1, technology 2.1, technology 1
model due » model du, model deep, model d
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 4.1 integration work 1 rural communication model due developpement en afrique.*.