Perhaps you should try some spelling variations:
1 communication » 10 communication, 3 communication, 4 communication
technologies 2 » technologies _, technologies 4
4.4 developing » 5.4 developing, 6.4 developing, 1.4 developing
information 2 » information 3
costs 4.4 » costs 4.2
2 ii » 2 iii, i ii, _ ii
ii 1 » ii _, i 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 2 ii 1 communication costs 4.4 developing _ aezs.*.