Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
3.2 communication » 3 communication, 2.3 communication, de communication
formation across » information across, variation across, variations across
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
across crises » across classes
barriers le » barriers law, barriers key, barriers _
crises 3.2 » crisis 3.2, crises 2.2, crises 3.1

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

• Adding a wildcard symbol may retrieve word variants: technology _ formation across crises 3.2 communication barriers le developpement en afrique.*.