Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
developpement de » developpement des, developpement durable
a developpement » au developpement, de developpement, le developpement
technology gap » technology 1, technology 2.2, technology 3
inflation risk » inflation rate
gap inflation » has inflation, grade inflation, rapid inflation
risk time » rise time, risky times
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 gap inflation risk time 3.2 communication costs a developpement de l'afrique.*.