Perhaps you should try some spelling variations:
voice communication » voice communications, mobile communication, device communication
developed contexts » developed content, development contexts, developing contexts
contexts assessed » contents assessing, context assessing, contexts affected
technologies 2 » technologies _, technologies 4
information 17 » information 1.7, information 1, information 11
6.1 developed » 5.1 developed, 6.4 developed, 2.0 developed
costs 6.1 » costs 4.1, costs 6.4, costs 2.1

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 17 _ voice communication costs 6.1 developed contexts assessed.*.