Perhaps you should try some spelling variations:
developing control » developing country, developed control, developing countriesl
information loss » information laws, information law, information 2
de communication » mobile communication, online communication
control trials » control trial, controlled trials, control variables
20 developing » 2 developing, 10 developing, 24 developing
technology 1 » technology _
loss decades » lost decades, lost decade, last decades
decades de » decades _, decades a, decada de
costs 20 » costs 60, costs 2.3, costs 2.1

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

• Adding a wildcard symbol may retrieve word variants: technology 1 information loss decades de communication costs 20 developing control trials.*.