Perhaps you should try some spelling variations:
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
de developpement » sme development
developpement de » developpement des, developpement durable
technology e.g » technology 2.2, technology 3.1, technology 2.1
e.g simulation » 3.1 simulation, 3.2 simulation, 2.2 simulation
based spaces » based space, based species, based scales
spaces 6.2 » spaces 4.2, spaces 1.1, spaces 2.1
de afrique » de l'afrique, en afrique, l afrique

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

• Adding a wildcard symbol may retrieve word variants: technology e.g simulation based spaces 6.2 communication _ de developpement de afrique.*.