Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
technologies 2.1 » technologies _, technologies 4, technologies a
et communication » et communicatione, get communication, debt communication
2.1 information » 3.1 information
developing can » developing a, developing ai, developing av
2 developing » 3 developing, 4 developing, 2 development
can africa » urban africa
cost 2 » cost 12, cost _, cost 4
1 et » 12 et, 13 et, 1 net
contents » context

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 1 et communication cost 2 developing can africa.*.