Perhaps you should try some spelling variations:
duration targeting » modulation targeting, inflation targeting, subnational targeting
1.4 communication » 5.4 communication, 1.1 communication, 1.3 communication
developpement en » developpement et, developpement des, developpement de
a developpement » au developpement, de developpement, le developpement
technology i » technology ii, technology iv, technology 1
targeting a » targeting _, targeting how
i duration » _ duration, a duration, ice duration
costs a » costs _, costs 4
a 1.4 » ra 1.4, _ 1.4, a 1.1

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

• Adding a wildcard symbol may retrieve word variants: technology i duration targeting a 1.4 communication costs a developpement en afrique.*.