Perhaps you should try some spelling variations:
communication 3.3 » communication _, communication a, communication 1
simulation state » simulation states, simulation stage, simulation system
de developpement » sme development
1 communication » 10 communication, 3 communication, 4 communication
technology 1 » technology _
1 simulation » 11 simulation, 4 simulation, 3 simulation
des afrique » en afrique, de l'afrique
space 1 » space _, space a, space 4
3.3 de » 3.3 die, 3.3 der, 3.3 dem

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

• Adding a wildcard symbol may retrieve word variants: technology 1 simulation state space 1 communication 3.3 de developpement des afrique.*.