Perhaps you should try some spelling variations:
later communication » layer communication, water communication, master communication
set developpement » et developpement, de developpement, le developpement
technologies 2.1 » technologies _, technologies 4, technologies a
developpement de » developpement des, developpement durable
2.1 innovation » 2.2 innovation, 2.3 innovation, 2012 innovation
innovation 4 » innovation _, innovation a, innovation 1
years later » years after
de afrique » de l'afrique, en afrique, l afrique
4 years » 40 years, 24 years, _ years
a set » _ set

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

• Adding a wildcard symbol may retrieve word variants: technologies 2.1 innovation 4 years later communication a set developpement de afrique.*.