Perhaps you should try some spelling variations:
technology transfers » technology transfer
deux developpements » des developpements, de developpement, du developpement
2.2 communication » 2.3 communication, 3.2 communication, 2.7 communication
developpements de » developpement de, developpement des, developpement du
transfers ai » transfers i, transfers bei, transfers dau
targets rule » targets whole, target file
ai targets » aid targets, a targets, hiv targets
de afrique » de l'afrique, en afrique, l afrique
rule 2.2 » rules 2.2, rule 2.5, rule 3.2

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

• Adding a wildcard symbol may retrieve word variants: technology transfers ai targets rule 2.2 communication a deux developpements de afrique.*.