Perhaps you should try some spelling variations:
2.14 communication » 2.4 communication, 5.4 communication, 2.3 communication
information class » information classes, information case, information costs
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 2.14 » debate 2.1, debate 2.4, debatte 2.1.4
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 2.14 communication costs a developing areas africa.*.