Perhaps you should try some spelling variations:
service information » services information, device information, series information
technology service » technology services, technology series, technology overview
information class » information classes, information case, information costs
6.1 communication » 4.1 communication, 1.1 communication, 3.1 communication
developpement l » developpement il, developpement la, developpement de
class case » class base, classic case, class based
l afrique » en afrique
case 6.1 » case 16.1, case 6.12, case 6.13

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

• Adding a wildcard symbol may retrieve word variants: technology service information class case 6.1 communication costs _ developpement l afrique.*.