Perhaps you should try some spelling variations:
communication model » communication media
voice communication » voice communications, mobile communication, device communication
ali developpement » le developpement, au developpement, de developpement
integrating data » integration data, integrated data, integrating a
4 integrating » _ integrating
technology 4 » technology _, technology 1, technology 3
des afrique » en afrique, de l'afrique
model ali » modell als, model a, model aa
5 voice » 5 voices, _ voice, a voice
data 5 » data 1

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

• Adding a wildcard symbol may retrieve word variants: technology 4 integrating data 5 voice communication model ali developpement des afrique.*.