Perhaps you should try some spelling variations:
communication case » communications case, communication based, communication phase
information ratio » information nation, information matrix, information section
2.3 communication » 3.2 communication, de communication, 4 communication
d1 developpement » de developpement, du developpement, le developpement
developpement l » developpement il, developpement la, developpement de
technology 1 » technology _
l afrique » en afrique
file 2.3 » file 2.7, file 23, file 2.4.3
case d1 » case 1, case d, case 11

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

• Adding a wildcard symbol may retrieve word variants: technology 1 information ratio file 2.3 communication case d1 developpement l afrique.*.