Perhaps you should try some spelling variations:
transfer simulation » transfer simulations, transport simulation, transport simulations
5.4 communication » de communication, data communication
developpement de » developpement des, developpement durable
a developpement » au developpement, de developpement, le developpement
simulation eu » simulation des, simulation der, simulation _
de afrique » de l'afrique, en afrique, l afrique
trade 5.4 » trade 5.3, trade 4, trade 2.2
eu trade » 1 trade, 4 trade, 2 trade
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology transfer simulation eu trade 5.4 communication costs a developpement de afrique.*.