Perhaps you should try some spelling variations:
voice communications » mobile communications, guinea communications, online communications
communications model » communications models, communication model, communicating model
integrating world » integrated world, integrating area, integrating land
der integrating » near integrating, der integration, pdr integrating
a developpement » au developpement, de developpement, le developpement
technology der » technology does, technology 4ir, technology dlt
des afrique » en afrique, de l'afrique
a voice » _ voice
model a » model 1

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

• Adding a wildcard symbol may retrieve word variants: technology der integrating world a voice communications model a developpement des afrique.*.