Perhaps you should try some spelling variations:
communicatione costs » communication costs, communications costs, communication costa
information centers » information contents, information officers
technologien aids » technologien als, technologien ad, technologien des
et communicatione » et communication, get communication, debt communication
aids information » chandos information, series information
developing china » developing china's, development china, developing caring
3 developing » 3 development
china africa » cpia africa, china asia
centers 83 » centers 3, centers 3.3, centers 4.3
costs 3 » costs _, costs 4, costs a
83 et » 13 et, 8 et, 23 et

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information centers 83 et communicatione costs 3 developing china africa.*.