Perhaps you should try some spelling variations:
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
a developpement » au developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
technology can » technology change, technology 1, technology 2.2
can inflation » ein inflation, has inflation, von inflation
targeting ago » targeting a, targeting als, targeting fao
l afrique » en afrique
ago 4.1 » ago 3.1, ago 4.2
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology can inflation targeting ago 4.1 communication costs a developpement l afrique.*.