Perhaps you should try some spelling variations:
information class » information classes, information case, information costs
2.3 communication » 3.2 communication, de communication, 4 communication
more information » price information, trade information
developing areas » developing asia, developing east, developing a
technology more » technology moral, technology make, technology mara
class debate » grass debatte, class state, care debate
a developing » a development
areas africa » arabs africa, dress africa, farmers africa
debate 2.3 » debate 2.1, debate 8.3, debate 2.2
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology more information class debate 2.3 communication costs a developing areas africa.*.