Perhaps you should try some spelling variations:
3.7 communication » 3.2 communication, 2.7 communication, 3.5 communication
technology grade » technology trade, technology guides, technology gender
grade inflation » price inflation, trade information
development lie » development life, development li, development lid
20 development » 2 development, 2015 development, 2007 development
lie afrique » l afrique
rate case » state case, write case, rate caps
case 3.7 » cases 3.7, case 3.1, case 3.2
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 grade inflation rate case 3.7 communication costs 20 development lie afrique.*.