Perhaps you should try some spelling variations:
informations context » information content, information contents, information control
debt communication » de communication, et communication, get communication
communication cost » communication costs, communication costa, communications costs
technologies 4.2 » technologies 3.2, technologies 4.1, technologies 4.5
4.2 informations » 4.2 information, 2.2 information, 3.2 information
developing asia » development asia, developing a
14 developing » 4 developing, 1 developing, 10 developing
context 2.3 » context 2.1, context 1.3, context 3
asia africa » cpia africa, china africa
2.3 debt » 2.5 debt, 2.3 delta, 2.3 der
cost 14 » cost 4, cost 12, cost 15

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

• Adding a wildcard symbol may retrieve word variants: technologies 4.2 informations context 2.3 debt communication cost 14 developing asia africa.*.