Perhaps you should try some spelling variations:
developing control » developing country, developed control, developing countriesl
information lost » information loss, information cost, information list
a communication » la communication, data communication, data communications
control trials » control trial, controlled trials, control variables
60 developing » 10 developing, 20 developing, 90 developing
technology 1 » technology _
lost decade » last decade, first decade
decade a » decades a, decade _, decade 1
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 lost decade a communication costs 60 developing control trials.*.