Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
eu communication » ec communication, et communication, de communication
technologies 2 » technologies _, technologies 4
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
developing ai » developing a, developing av, developing asia
contents its » contents lists, contents aims, contents i
ai africa » ii africa, can africa, 1 africa
cost 2.3 » costs 2.3, cost 2.4, cost 2.2

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information contents its eu communication cost 2.3 developing ai africa.*.