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
de developpement » sme development
developpement et » developpement des, developpement de, development east
10 integrating » 1 integrating, _ integrating, 4 integrating
technology 10 » technology 110, technology 1, technology 11
et afrique » en afrique, l afrique
model de » model due, model d, model du
4 voice » 4 voices, _ voice, a voice
land 4 » land _, land a, land 2

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

• Adding a wildcard symbol may retrieve word variants: technology 10 integrating land 4 voice communication model de developpement et afrique.*.