Perhaps you should try some spelling variations:
information context » information content, information contents, information centers
oral communication » personal communication
technologies 2.1 » technologies _, technologies 4, technologies a
2.1 information » 3.1 information
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
developing can » developing a, developing ai, developing av
context new » contexts new, context neo, kontext neue
can africa » urban africa
costs 3.2 » costs 4.2, cost 3.2, costs 3.5
new oral » new moral, knew moral, new rural

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

• Adding a wildcard symbol may retrieve word variants: technologies 2.1 information context new oral communication costs 3.2 developing can africa.*.