Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
21st communications » guest communications, 10 communications, 14 communications
developments from » development from, developments after, developments _
technology never » technology number, technology needs, technology new
2.3 developments » 12.3 developments, 2.3 development, 2.4 developments
never relative » level relative, der relative, fovea relative
relative based » relation based, relations based, relative wages
based politics » based policies, flawed politics, nested politics
costs 2.3 » costs 4.2, costs 4.4

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

• Adding a wildcard symbol may retrieve word variants: technology never relative based politics 21st communications costs 2.3 developments from a.*.