Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
eu communication » ec communication, et communication, de communication
12.4 developing » 1.4 developing, 2.2 developing, 1.3 developing
developing ii » developing ai, developing ict, developing cil
contents he » contents je, contents head, contents how
cost 12.4 » coast 12.4, costs 12.4, cost 2.4
ii africa » ii afrika, ii america, 1 africa

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information contents he eu communication cost 12.4 developing ii africa.*.