Perhaps you should try some spelling variations:
china communications » china communication, china's communications, chile communications
information center » information centers, information centre, information content
communications 3.3 » communication 3.3, communications 3.4, communications 4.3
developing arabs » developing areas, developing asia's, developing cross
technologies 2 » technologies _, technologies 4
1 developing » 3 developing, 4 developing, 2 developing
arabs africa » areas africa, across africa, rates africa
center 2.0 » center 2.1, center 2.3, center 2.5
2.0 china » 2.1 china, 2.2 china, 2.3 china
3.3 1 » 3.3 _, 3.3 a, 3.3 e

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information center 2.0 china communications 3.3 1 developing arabs africa.*.