Perhaps you should try some spelling variations:
voice communications » mobile communications, guinea communications, online communications
communications model » communications models, communication model, communicating model
developpement de » developpement des, developpement durable
d developpement » de developpement, du developpement, le developpement
1 integrating » 10 integrating, _ integrating, 4 integrating
integrating a » integrating _, integrating human
technology 1 » technology _
de afrique » de l'afrique, en afrique, l afrique
model d » model du, modell d, model 1

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 _ voice communications model d developpement de afrique.*.