Perhaps you should try some spelling variations:
china communications » china communication, china's communications, chile communications
information context » information content, information contents, information centers
technologien aids » technologien als, technologien ad, technologien des
aids information » chandos information, series information
developing east » development east, developing a, developing asia
2.4 developing » 12.4 developing, 2.2 developing, 5.4 developing
context 1.3 » context 3, context 2.1, context 3.1
east africa » west africa
1.3 china » 1.1 china, 13 china, 2.3 china

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

• Adding a wildcard symbol may retrieve word variants: technologien aids information context 1.3 china communications _ 2.4 developing east africa.*.