Perhaps you should try some spelling variations:
2.2 communication » 2.3 communication, 3.2 communication, 2.7 communication
developpement de » developpement des, developpement durable
2.2 integration » 3.2 integration, 5.2 integration, 3.3 integration
integration die » integration de, integration deep, integration does
a developpement » au developpement, de developpement, le developpement
technology 2.2 » technology _, technology 1, technology 3
die ebenen » die ebene, drei ebenen, die eigenen
ebenen 2.2 » ebenen 2.3, ebenen 2.2.1, ebenen 2.2.2
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 2.2 integration die ebenen 2.2 communication costs a developpement de l'afrique.*.