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
developpement en » developpement et, developpement des, developpement de
110 integrating » 10 integrating, 6.10 integrating, 1 integrating
a developpement » au developpement, de developpement, le developpement
technology 110 » technology 10, technology 11, technology 11.2
3 mobile » _ mobile, a mobile, 2 mobile
world 3 » world _, world a, world 1
model a » model 1

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

• Adding a wildcard symbol may retrieve word variants: technology 110 integrating world 3 mobile communications model a developpement en afrique.*.