Perhaps you should try some spelling variations:
oral communication » personal communication
information costs » information contents, information centers, information content
2.1 development » 3.1 development, 2.3 development, 2.2 development
development 3.6 » development 3.1, development 3.3, development 3.2
technologies 2 » technologies _, technologies 4
3.6 access » 3.1 access, 3.2 access, 3 access
costs 2.1 » costs 2.3, costs 4.1, costs 2.2
costs a » costs _, costs 4
a oral » _ oral, 2 oral, 4 oral

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information costs a oral communication costs 2.1 development 3.6 access.*.