Perhaps you should try some spelling variations:
technology transfers » technology transfer
communications can » communication can, communications case, communications juan
deux developpement » deux developpements, de developpement, du developpement
12 communications » 10 communications, 12 communication, 14 communications
developpement en » developpement et, developpement des, developpement de
transfers ai » transfers i, transfers bei, transfers dau
targets file » target file, targets fig, targets rule
ai targets » aid targets, a targets, hiv targets
can deux » dans deux, a deux, can de
file 12 » file 1, file 2, file 10

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 12 communications can deux developpement en afrique.*.