Perhaps you should try some spelling variations:
active communication » reactive communication, proactive communication, actions communication
information chapter » information center, information centers, information exchanges
communication 13.5 » communication 23.5, communication 3.3, communication 3.2
developing en » developing e, developing eq, developing egg
a developing » a development
chapter 1 » chapter 2
1 active » 15 active, _ active, 3 active
13.5 a » 1.3.5 a, 13.5 _

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 13.5 a developing en afrique.*.