Perhaps you should try some spelling variations:
information context » information content, information contents, information centers
oral communication » personal communication
technologies 1 » technologies _, technologies 4, technologies 2
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
context 1 » context 3, context 2
costs 2.3 » costs 4.2, costs 4.4
1 oral » 10 oral, 14 oral, 16 oral

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

• Adding a wildcard symbol may retrieve word variants: technologies 1 information context 1 oral communication costs 2.3 developing _ africa.*.