Perhaps you should try some spelling variations:
communication model » communication media
rural communication » rural communications, oral communication, moral communication
integration work » integrating world, integration framework, integration 3
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
4ir integration » zur integration, der integration, 4 integration
technology 4ir » technology 4, technology 4.1, technology 4.2
1.2 rural » 3.2 rural, 2.2 rural, 4.2 rural
work 1.2 » work 2.1, work 2, work 4.1
model de » model due, model d, model du

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

• Adding a wildcard symbol may retrieve word variants: technology 4ir integration work 1.2 rural communication model de developpement en afrique.*.