Perhaps you should try some spelling variations:
communication model » communication media
data communication » data communications
developpement en » developpement et, developpement des, developpement de
1 integrating » 10 integrating, _ integrating, 4 integrating
integrating a » integrating _, integrating human
technology 1 » technology _
3.1 data » 2.1 data
a 3.1 » _ 3.1, a 3.2, a 3.3

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

• Adding a wildcard symbol may retrieve word variants: technology 1 integrating a 3.1 data communication model _ developpement en afrique.*.