Perhaps you should try some spelling variations:
developing controlled » developing control, developing countries
information lost » information loss, information cost, information list
a communication » la communication, data communication, data communications
60 developing » 10 developing, 20 developing, 90 developing
technology 1 » technology _
lost decades » lost decade, last decades, last decade
decades a » decades _, decade _, decade 1
costs 60 » costs 20, costs 6.4, costs 168
trials. » trial.

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 decades a communication costs 60 developing controlled trials.*.