Perhaps you should try some spelling variations:
15.1 communication » 1.1 communication, 4.5.1 communication, 4.1 communication
developpement l » developpement il, developpement la, developpement de
information s1 » information 1, information 11, information 10.1
practices 15.1 » practices 5.1, practices 14.1, practice 15.1
technology 1 » technology _
s1 practices » 1 practices, csr practices, 3.1 practices
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 1 information s1 practices 15.1 communication costs _ developpement l afrique.*.