Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
developing estate » developing state, developing states, developing stable
information laws » information law
4.4 developing » 5.4 developing, 6.4 developing, 1.4 developing
estate africa » state africa, states african, status africa
technology 1 » technology _
laws debate » law debate, class debate, law debates
debate 3.2 » debate 4.2, debate 2.2, debate 3.1
costs 4.4 » 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 1 information laws debate 3.2 communication costs 4.4 developing estate africa.*.