Perhaps you should try some spelling variations:
case communication » based communication, scale communication, face communication
costs information » cost information, tests information, customs information
technology costs » technology cost, technology course, technology case
information 2.2 » information 1.2, information 2.7, information 2.2.2
developing en » developing e, developing eq, developing egg
4 developing » 3 developing
scale case » scalar case
2.2 scale » 2.1 scale, 3.2 scale, 2.2 scope
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology costs information 2.2 scale case communication costs 4 developing en afrique.*.