Perhaps you should try some spelling variations:
developed country » developed countries, developing country
a communication » la communication, data communication, data communications
country trials » country totals, country tariffs, country teams
technology 1 » technology _
10 developed » 1 developed, 2.0 developed, _ developed
law decades » last decades, law debates, lost decades
decades a » decades _, decade _, decade 1
costs 10 » costs 1, costs 20, costs 60

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

• Adding a wildcard symbol may retrieve word variants: technology 1 information law decades a communication costs 10 developed country trials.*.