Perhaps you should try some spelling variations:
communication case » communications case, communication based, communication phase
information rate » information ratio, information related, information matter
de developpement » sme development
developpement de » developpement des, developpement durable
3 communication » 4 communication, de communication, data communication
technology 1 » technology _
de afrique » de l'afrique, en afrique, l afrique
rate file » case file, rate fee, rate firm
case de » case des, case d, case d1
file 3 » file 13, file 23, file 30

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

• Adding a wildcard symbol may retrieve word variants: technology 1 information rate file 3 communication case de developpement de afrique.*.