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
led developpement » le developpement, leur developpement, de developpement
developpement en » developpement et, developpement des, developpement de
11 integrating » 1 integrating, 10 integrating, 12 integrating
technology 11 » technology 1.1, technology 110, technology 171
model led » model land, model law, model listed
2 mobile » _ mobile, a mobile
world 2 » world _, world a, world 1

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

• Adding a wildcard symbol may retrieve word variants: technology 11 integrating world 2 mobile communications model led developpement en afrique.*.