Perhaps you should try some spelling variations:
communication model » communication media
voice communication » voice communications, mobile communication, device communication
integrating land » integrating a, integrated land, integrating data
developpement et » developpement des, developpement de, development east
a developpement » au developpement, de developpement, le developpement
1 integrating » 10 integrating, _ integrating, 4 integrating
technology 1 » technology _
et afrique » en afrique, l afrique
2 voice » _ voice, a voice, 5 voice
model a » model 1
land 2 » land _, band 2, land a

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

• Adding a wildcard symbol may retrieve word variants: technology 1 integrating land 2 voice communication model a developpement et afrique.*.