Perhaps you should try some spelling variations:
vertical communication » verbal communication, virtual communication, optical communication
communication model » communication media
integrating world » integrated world, integrating area, integrating land
due developpement » de developpement, du developpement, le developpement
1 integrating » 10 integrating, _ integrating, 4 integrating
technology 1 » technology _
des afrique » en afrique, de l'afrique
model due » model du, model deep, model d

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

• Adding a wildcard symbol may retrieve word variants: technology 1 integrating world _ vertical communication model due developpement des afrique.*.