Perhaps you should try some spelling variations:
information change » information exchange, information exchanges, information challenge
2.3 communication » 3.2 communication, de communication, 4 communication
developpement il » developpement de, developpement et, developpement du
en information » egen information, when information, can information
technology en » technology end, technology e, technology e.g
process 2.3 » process 2.2, process 2.1, process 2.4
il afrique » l afrique, en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology en information change process 2.3 communication costs _ developpement il afrique.*.