Perhaps you should try some spelling variations:
3.3.2 communication » 3.4.2 communication, 3.2.3.2 communication, 13.3.9 communication
communication case » communications case, communication based, communication phase
1 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
rate 3.3.2 » rate 2.3.2, rate 3.1.2, rate 4.3.3.2
rate rate » rates rates, rate ratio, rate water
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology _ inflation rate rate 3.3.2 communication case 1 developpement l afrique.*.