Perhaps you should try some spelling variations:
communication model » communication media
face communication » voice communication, de communication, time communication
des developpement » des developpements, de developpement, le developpement
12 integration » 1.2 integration, r12 integration, 2 integration
technology 12 » technology 1.2, technology 1, technology 2
des l'afrique » de l'afrique, de l'amerique
model des » modell des, modelle des, model codes
a face » a fact

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

• Adding a wildcard symbol may retrieve word variants: technology 12 integration 3 a face communication model des developpement des l'afrique.*.