Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information 1.2.1 » information 12.2.1, information 13.2.1, information 1.2.2
do communications » 10 communications, 14 communications, 2 communications
technologies 2.1 » technologies _, technologies 4, technologies a
2.1 information » 3.1 information
3 developing » 3 development
developing e » developing _, developing a, developing east
1.2.1 why » 2.2.1 why, 1.2.1 what, 13.3.1 why
e access » 2 access, 3 access, 4 access
costs 3 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technologies 2.1 information 1.2.1 why do communications costs 3 developing e access.*.