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
168 developing » 1 developing, 10 developing, 1.3 developing
control trials » control trial, controlled trials, control variables
technology 1 » technology _
lost decade » last decade, first decade
costs 168 » costs 1, costs 4.8, costs 5.8
decade a » decades a, decade _, decade 1

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 168 developing control trials.*.