Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
do communications » 10 communications, 14 communications, 2 communications
information life » information law, information laws, information loss
3.1 development » 2 development
life debates » life death, iii debates, law debates
bank africa » bank's africa, can africa, banking africa
debates do » debates de, debates did, debates _
costs 3.1 » costs 3.5, costs 4.1, costs 2.1

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

• Adding a wildcard symbol may retrieve word variants: technology _ information life debates do communications costs 3.1 development bank africa.*.