Perhaps you should try some spelling variations:
mobile communications » mobile communication
communications model » communications models, communication model, communicating model
integrating world » integrated world, integrating area, integrating land
de developpement » sme development
des afrique » en afrique, de l'afrique
1 mobile » _ mobile, a mobile, 2 mobile
model de » model due, model d, model du
world 1 » world _, world a

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

• Adding a wildcard symbol may retrieve word variants: technology _ integrating world 1 mobile communications model de developpement des afrique.*.