Perhaps you should try some spelling variations:
virtual communication » visual communication, verbal communication, cultural communication
communication model » communication media
due developpement » de developpement, du developpement, le developpement
4.2 integration » 2.2 integration, 3.2 integration, 5.2 integration
developpement l » developpement il, developpement la, developpement de
technology 4.2 » technology 2.2, technology 3.2, technology 4.1
17 virtual » 7 virtual, 1 virtual, 11 virtual
model due » model du, model deep, model d
l afrique » en afrique
3 17 » 13 17, 3 1, _ 17

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

• Adding a wildcard symbol may retrieve word variants: technology 4.2 integration 3 17 virtual communication model due developpement l afrique.*.