Perhaps you should try some spelling variations:
duration targeting » modulation targeting, inflation targeting, subnational targeting
1.1 communication » 4.1 communication, 1.3 communication, 1.4 communication
developpement en » developpement et, developpement des, developpement de
a developpement » au developpement, de developpement, le developpement
technology 1 » technology _
targeting a » targeting _, targeting how
1 duration » _ duration, a duration, i duration
costs a » costs _, costs 4
a 1.1 » i 1.1, a 4.1, a 6.1

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

• Adding a wildcard symbol may retrieve word variants: technology 1 duration targeting a 1.1 communication costs a developpement en afrique.*.