Perhaps you should try some spelling variations:
information rates » information states, information ratio, information rules
1.1 communication » 4.1 communication, 1.3 communication, 1.4 communication
developpement l » developpement il, developpement la, developpement de
4 information » 2 information, 1 information
technology 4 » technology _, technology 1, technology 3
rates case » rates cape, states case, rates east
l afrique » en afrique
case 1.1 » case 14.1, cases 1.1, case 13.1

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

• Adding a wildcard symbol may retrieve word variants: technology 4 information rates case 1.1 communication costs _ developpement l afrique.*.