Perhaps you should try some spelling variations:
transition changes » transitions changes, transition change, transition charles
5.2 communication » 3.2 communication, 6.2 communication, 2.2 communication
developpement et » developpement des, developpement de, development east
a developpement » au developpement, de developpement, le developpement
changes stress » change stress, changes press, changes across
technology a » technology 1, technology 3, technology 4
stress 5.2 » stress 2.2, stress 4.2, stress 5.5
et afrique » en afrique, l afrique
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 a transition changes stress 5.2 communication costs a developpement et afrique.*.