Perhaps you should try some spelling variations:
china communications » china communication, china's communications, chile communications
communications 3.2 » communication 3.2, communications 2.2, communications 3.3
technologies 2 » technologies _, technologies 4
developing en » developing e, developing eq, developing egg
contents 2.1 » contents 12.1, contexts 2.1, contents 3.1
1 developing » 3 developing, 4 developing, 2 developing
2.1 china » 1.1 china, 3.1 china, 4.1 china
3.2 1 » 3.2 _, 3.2 a, 3.0 1

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information contents 2.1 china communications 3.2 1 developing en afrique.*.