Perhaps you should try some spelling variations:
voice communicating » voice communications, voice communication, voice communicative
communicating model » communication model, communicating under, communication modes
du developpement » de developpement, le developpement, et developpement
developpement de » developpement des, developpement durable
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 du » model due, model d, model dal

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 communicating model du developpement de afrique.*.