Perhaps you should try some spelling variations:
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
developpement de » developpement des, developpement durable
formation under » formation des, formation over, estimation under
4 developpement » de developpement, le developpement, et developpement
technology gap » technology 1, technology 2.2, technology 3
gap formation » la formation, a formation, group formation
de afrique » de l'afrique, en afrique, l afrique
risk 4.1 » risks 4.1, risk 3.1, risk 4.2
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology gap formation under risk 4.1 communication costs 4 developpement de afrique.*.