Perhaps you should try some spelling variations:
boost developpement » et developpement, post development, book development
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
developpement du » developpement de, developpement des, developpement et
technology 4ir » technology 4, technology 4.1, technology 4.2
4ir inflation » der inflation, die inflation, aid inflation
targeting a » targeting _, targeting how
du afrique » en afrique, l afrique, de l'afrique
a 6.2 » a 3.2, a 4.2, 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 4ir inflation targeting a 6.2 communication _ boost developpement du afrique.*.