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
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
technology can » technology change, technology 1, technology 2.2
can duration » war duration, a duration, panel duration
targeting a » targeting _, targeting how
costs de » costs _, costs 4, costs a
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 can duration targeting a 1.1 communication costs de developpement en afrique.*.