Perhaps you should try some spelling variations:
international cases » international case, international calls, international crisis
2.2 communication » 2.3 communication, 3.2 communication, 2.7 communication
developpement la » developpement de, developpement et, developpement du
4 developpement » de developpement, le developpement, et developpement
cases process » case process, based process, cas process
technology 4 » technology _, technology 1, technology 3
la afrique » l afrique, la fabrique, en afrique
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 4 international cases process 2.2 communication costs 4 developpement la afrique.*.