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
2.4 developing » 12.4 developing, 2.2 developing, 5.4 developing
technology 1 » technology _
case debates » care debate, cadiz debates, case debating
developing v » developing av, developing _, developing a
debates 3 » debates _, debate 3, debates y
v africa » 1 africa, em africa

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 2.4 developing v africa.*.