Perhaps you should try some spelling variations:
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
information when » information what, information war, information wants
des information » des informations, does information, dis information
technology des » technology does, technology debts, technology nodes
development li » development lid, development lie, development lin
li afrique » l afrique, en afrique
when case » when base, women case, when can
case 4.1 » case 4.2, case 1

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

• Adding a wildcard symbol may retrieve word variants: technology des information when case 4.1 communication costs _ development li afrique.*.