Perhaps you should try some spelling variations:
communication barriers » communication series, communication disorders
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
10.3 information » 11.3 information, 10.3.2 information, 4.3 information
information from » information flow, information flows
technology 10.3 » technology 1.3, technology 10.4, technology 2.3
developpement l » developpement il, developpement la, developpement de
l afrique » en afrique
risk 4.1 » risks 4.1, risk 3.1, risk 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology 10.3 information from risk 4.1 communication barriers _ developpement l afrique.*.