Perhaps you should try some spelling variations:
vertical communication » verbal communication, virtual communication, optical communication
communication model » communication media
du developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
3 integration » die integration, der integration, data integration
technology 3 » technology _, technology 1, technology 4
1 vertical » _ vertical, 6 vertical, 2 vertical
l afrique » en afrique
model du » model due, model d, model dal

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

• Adding a wildcard symbol may retrieve word variants: technology 3 integration 3 1 vertical communication model du developpement l afrique.*.