Perhaps you should try some spelling variations:
communication 23.5 » communication 23.3, communication 24.5, communication 2.3.3
de communication » mobile communication, online communication
technologies 4 » technologies _
4 information » 2 information, 1 information
4 developing » 3 developing
developing 1 » developing _, developing a, developing e
access 3 » access _, access a, access 1
23.5 4 » 23.5 _
3 de » 3 die, 3 der, 3 des

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information access 3 de communication 23.5 4 developing 1 africa.*.