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
1.1 communication » 4.1 communication, 1.3 communication, 1.4 communication
developpement l » developpement il, developpement la, developpement de
class case » class base, classic case, class based
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 service information class case 1.1 communication costs _ developpement l afrique.*.