Perhaps you should try some spelling variations:
active communication » reactive communication, proactive communication, actions communication
information chapter » information center, information centers, information exchanges
communication 23.5 » communication 23.3, communication 24.5, communication 2.3.3
developing en » developing e, developing eq, developing egg
a developing » a development
chapter 1 » chapter 2
1 active » 15 active, _ active, 3 active
23.5 a » 2.3.5 a, 3.5 a, 13.5 a

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information chapter 1 active communication 23.5 a developing en afrique.*.