Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
information case » information based, information can, information costs
3 communication » 4 communication, de communication, data communication
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
developing iv » developing av, developing ict, developing cil
technology 1 » technology _
case debates » care debate, cadiz debates, case debating
debates 3 » debates _, debate 3, debates y
iv africa » v africa, 1 africa, em africa
cost 2.2 » costs 2.2, cost 2.4, cost 3.2

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

• Adding a wildcard symbol may retrieve word variants: technology 1 information case debates 3 communication cost 2.2 developing iv africa.*.