Perhaps you should try some spelling variations:
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
technology road » technology role, technology roadmap, technology robot
inflation rates » inflation rate
road inflation » read inflation, food inflation, road information
4 developing » 3 developing
developing l » developing l2, developing _, developing a
l afrique » en afrique
have 2.7 » have 5.3, have 9.1
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology road inflation rates have 2.7 communication costs 4 developing l afrique.*.