Perhaps you should try some spelling variations:
communication case » communications case, communication based, communication phase
information 2.3.1 » information 2.3.2, information 5.3.1, information 2.3.3
de developpement » sme development
developpement la » developpement de, developpement et, developpement du
4 communication » 3 communication, 5.4 communication, de communication
2.3.1 does » 2.3.1 des, 14.3.1 does, 2.3.1 die
la afrique » l afrique, la fabrique, en afrique
case de » case des, case d, case d1
does 4 » does _, does a, does e

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information 2.3.1 does 4 communication case de developpement la afrique.*.