Perhaps you should try some spelling variations:
technology transfers » technology transfer
deux developpements » des developpements, de developpement, du developpement
communications can » communication can, communications case, communications juan
developpements et » developpement et, developpement en, developpements de
2 communications » 2 communication, 3 communications, 4 communications
transfers ai » transfers i, transfers bei, transfers dau
targets file » target file, targets fig, targets rule
ai targets » aid targets, a targets, hiv targets
et afrique » en afrique, l afrique
can deux » dans deux, a deux, can de
file 2 » file _, file 1

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 file 2 communications can deux developpements et afrique.*.