Perhaps you should try some spelling variations:
communication model » communication media
leur developpement » le developpement, deux developpements, de developpement
integration work » integrating world, integration framework, integration 3
11 integration » 10 integration, 4.1 integration, 1.2 integration
technology 11 » technology 1.1, technology 110, technology 171
des afrique » en afrique, de l'afrique
model leur » model learn, model led, model linear

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

• Adding a wildcard symbol may retrieve word variants: technology 11 integration work _ mobile communication model leur developpement des afrique.*.