Perhaps you should try some spelling variations:
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
simulation setup » simulation study, simulation system
de developpement » sme development
technology 3.2 » technology 2.2, technology 3.1, technology 2
3.2 simulation » 3.1 simulation, 3 simulation, 4 simulation
setup states » sexual states, eu states, esp states
des afrique » en afrique, de l'afrique
states 6.2 » states 3.2, states 4.2, states 6.1

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

• Adding a wildcard symbol may retrieve word variants: technology 3.2 simulation setup states 6.2 communication _ de developpement des afrique.*.