Perhaps you should try some spelling variations:
communicatione cost » communications costs, communication costs, communication costa
technologien aids » technologien als, technologien ad, technologien des
et communicatione » et communication, get communication, debt communication
aids information » chandos information, series information
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
developing a » developing _
cost 2.2 » costs 2.2, cost 2.4, cost 3.2
a africa » 1 africa, can africa, em africa
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: technologien aids information contents 1 et communicatione cost 2.2 developing a africa.*.