Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
et communications » et communication, et communicatione, 10 communications
technologies 2.1 » technologies _, technologies 4, technologies a
2.1 information » 3.1 information
development ai » development aid, development api, development a
ai africa » ii africa, can africa, 1 africa
costs 2 » costs 20, costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologies 2.1 information contents _ et communications costs 2 development ai africa.*.