Perhaps you should try some spelling variations:
2.10 communication » 2.14 communication, 2.3 communication, 2.7 communication
formation across » information across, variation across, variations across
developpement en » developpement et, developpement des, developpement de
4 developpement » de developpement, le developpement, et developpement
across crimes » across crises, across regimes, across time
crimes 2.10 » crimes 3.1
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 _ formation across crimes 2.10 communication costs 4 developpement en afrique.*.