Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.1 communications » 3.1 communication, 4.1 communication, 1.1 communication
de transformation » die transformation, e transformation, 1 transformation
developpement en » developpement et, developpement des, developpement de
4 developpement » de developpement, le developpement, et developpement
technologie de » technologies de, technologie der, technologie die
process 3.1 » process 3.2, process 2.1, process 2.2
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: technologie de transformation _ process 3.1 communications costs 4 developpement en afrique.*.