Perhaps you should try some spelling variations:
information class » information classes, information case, information costs
developing across » developing cross, development across, developing areas
4 communication » 3 communication, 5.4 communication, de communication
class debate » grass debatte, class state, care debate
3 developing » 3 development
debate 4 » debate _, debate 3, debate a
costs 3 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology _ information class debate 4 communication costs 3 developing across africa.*.