Perhaps you should try some spelling variations:
information context » information content, information contents, information centers
communication cost » communication costs, communication costa, communications costs
technologies 2.1 » technologies _, technologies 4, technologies a
ec communication » de communication, 3 communication, 4 communication
developing china » developing china's, development china, developing caring
2.1 information » 3.1 information
1.4 developing » 12.4 developing, 1.3 developing, 14 developing
china africa » cpia africa, china asia
context he » context has, context how, context 3
cost 1.4 » cost 14.4, cost 2.4, cost 1.2

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 context he ec communication cost 1.4 developing china africa.*.