Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications model » communications models, communication model, communicating model
au developpement » du developpement, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
4 integrating » _ integrating
integrating a » integrating _, integrating human
technology 4 » technology _, technology 1, technology 3
a mobile » _ mobile
model au » modele au, model a, model aa
a a » a la

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

• Adding a wildcard symbol may retrieve word variants: technology 4 integrating a a mobile communications model au developpement en afrique.*.