Perhaps you should try some spelling variations:
developing eastern » developing patterns, developing east, developing after
information class » information classes, information case, information costs
4 communication » 3 communication, 5.4 communication, de communication
3.3 developing » 4 developing, 2 developing, 1 developing
eastern africa » east africa
technology 1 » technology _
class debate » grass debatte, class state, care debate
costs 3.3 » costs 2.3, costs 3.5, costs 4.3
debate 4 » debate _, debate 3, debate a

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

• Adding a wildcard symbol may retrieve word variants: technology 1 information class debate 4 communication costs 3.3 developing eastern africa.*.