Perhaps you should try some spelling variations:
communication case » communications case, communication based, communication phase
2.6 communication » 2.3 communication, 2.7 communication, 2.2 communication
information rate » information ratio, information related, information matter
11 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
technology 1 » technology _
rate files » data files, case files, rate rules
files 2.6 » files 4.3, file 2.7, file 26
l afrique » en afrique
case 11 » case 1, case 10, case 12

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

• Adding a wildcard symbol may retrieve word variants: technology 1 information rate files 2.6 communication case 11 developpement l afrique.*.