Perhaps you should try some spelling variations:
data communication » data communications
developed control » developing control, developed country, developed content
information last » information list, information lost, information law
control trials » control trial, controlled trials, control variables
technology 1 » technology _
last decades » last decade, lost decade, past decade
decades data » debates data, cases data, decades a
60 developed » 6 developed, 2.0 developed, 6.1 developed
costs 60 » costs 20, costs 6.4, costs 168

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

• Adding a wildcard symbol may retrieve word variants: technology 1 information last decades data communication costs 60 developed control trials.*.