Perhaps you should try some spelling variations:
oral communication » personal communication
information 11.2 » information 1.2, information 15.2, information 11.3
technologies 2 » technologies _, technologies 4
states access » state access, stage access, systems access
4 developing » 3 developing
11.2 why » 1.2 why, 11.2 what, 2.2 why
why oral » why rural, why deal
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 11.2 why oral communication costs 4 developing states access.*.