Perhaps you should try some spelling variations:
debt communication » de communication, et communication, get communication
communication cost » communication costs, communication costa, communications costs
technologies 4 » technologies _
2.4 developing » 12.4 developing, 2.2 developing, 5.4 developing
4 information » 2 information, 1 information
developing ce » developing e, developing ict, developing cil
contents how » content how, contents co, contents mot
ce africa » de africa, care africa, use africa
how debt » low debt

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information contents how debt communication cost 2.4 developing ce africa.*.