Perhaps you should try some spelling variations:
oral communication » personal communication
information costs » information contents, information centers, information content
3.10 development » 3.1 development, 2.10 development, 6.10 development
development 3.1 » development 1
technologies 2 » technologies _, technologies 4
costs 3.10 » costs 4.10, costs 3.5, costs 4.1
3.1 access » 1.1 access, 3.2 access, 3.6 access
costs 2 » costs 20, costs _, costs 4
2 oral » _ 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 2 oral communication costs 3.10 development 3.1 access.*.