Perhaps you should try some spelling variations:
communication model » communication media
time communication » de communication, mobile communication, online communication
led developpement » le developpement, leur developpement, de developpement
developpement en » developpement et, developpement des, developpement de
3 integration » die integration, der integration, data integration
technology 3 » technology _, technology 1, technology 4
model led » model land, model law, model listed
1.2 time » 4.2 time, 7.2 time, 1 time
3 1.2 » 3 15.2, b 1.2, _ 1.2

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 1.2 time communication model led developpement en afrique.*.