Perhaps you should try some spelling variations:
19 communication » 1 communication, 10 communication, 9 communication
developpement du » developpement de, developpement des, developpement et
4 developpement » de developpement, le developpement, et developpement
technology 4ir » technology 4, technology 4.1, technology 4.2
4ir inflation » der inflation, die inflation, aid inflation
targeting can » targeting case, targeting a, targeting fao
du afrique » en afrique, l afrique, de l'afrique
costs 4 » costs _, costs a, costs 4.2
can 19 » can 11, can 1973

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

• Adding a wildcard symbol may retrieve word variants: technology 4ir inflation targeting can 19 communication costs 4 developpement du afrique.*.