Perhaps you should try some spelling variations:
6.2.4.1 communication » 6.2.4.2 communication, 6.2.4.3 communication, 11.4.1 communication
boost developpement » et developpement, post development, book development
developpement de » developpement des, developpement durable
communication 3 » communication _, communication a
targeting fit » targeting fao, targeting fur, targeting ift
technology 4 » technology _, technology 1, technology 3
4 inflation » _ inflation, 2 inflation, 6 inflation
de afrique » de l'afrique, en afrique, l afrique
3 boost » _ boost, a boost

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

• Adding a wildcard symbol may retrieve word variants: technology 4 inflation targeting fit 6.2.4.1 communication 3 boost developpement de afrique.*.