Perhaps you should try some spelling variations:
changes intervention » change interventions, exchange intervention, exchange interventions
based communication » brand communication, based compensation, mediated communication
economic changes » economic change, economic crises
intervention 1.4 » interventions 1.4, intervention 2.4, intervention 7.4
developpement de » developpement des, developpement durable
a developpement » au developpement, de developpement, le developpement
coal based » coal bed, cell based, school based
de afrique » de l'afrique, en afrique, l afrique
1.4 coal » 10.4 coal, 1.4 goal, 1.4 can
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: economic changes intervention 1.4 coal based communication costs a developpement de afrique.*.