Perhaps you should try some spelling variations:
active communication » reactive communication, proactive communication, actions communication
communication 22.1 » communication 2.1, communications 2.2.1, communication 8.2.1
information age » information storage, information access, information about
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
a developing » a development
developing a » developing _
2.1 active » 1.1 active, 3.1 active, 6.1 active
a africa » 1 africa, can africa, em africa
age 2.1 » age 4.1
22.1 a » 2.2.1 a, 22.1 _, 2.12.1 a

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

• Adding a wildcard symbol may retrieve word variants: technologies a information age 2.1 active communication 22.1 a developing a africa.*.