Perhaps you should try some spelling variations:
world communication » work communication, wired communications, good communication
communication model » communication media
et developpement » de developpement, le developpement, test development
des afrique » en afrique, de l'afrique
about has » about his, about half, about hard
has world » has worked, wars world, eds world
model et » model ee, model em, model eu

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information about has world communication model et developpement des afrique.*.