Perhaps you should try some spelling variations:
china communications » china communication, china's communications, chile communications
information content » information contents, information centers, information centre
communications 3.4 » communication 3.4, communications 3.3, communications 8.4
developing rates » developing states, developing water, developing cities
technologies 2 » technologies _, technologies 4
2 developing » 3 developing, 4 developing, 2 development
rates africa » state africa
content 2.5 » contents 2.5, context 2.5, content 2.3
2.5 china » 2.1 china, 2.2 china, 2.3 china
3.4 2 » 3.4 _, 3.4 a, 3.4 k

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information content 2.5 china communications 3.4 2 developing rates africa.*.