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
dis integration » disintegration _
developpement l » developpement il, developpement la, developpement de
technology dis » technology does, technology 4ir, technology dlt
2 vertical » _ vertical, 6 vertical, 4 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 dis integration 3 2 vertical communication model du developpement l afrique.*.