Perhaps you should try some spelling variations:
information content » information contents, information centers, information centre
communication cost » communication costs, communication costa, communications costs
technologies 2.1 » technologies _, technologies 4, technologies a
eu communication » ec communication, et communication, de communication
2.1 information » 3.1 information
developing asia » development asia, developing a
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
content how » contents how, context how, content from
asia africa » cpia africa, china africa
cost 3.2 » cost 2.4

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 content how eu communication cost 3.2 developing asia africa.*.