Perhaps you should try some spelling variations:
robot information » robust information, debt information, about information
information rates » information states, information ratio, information rules
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
technology robot » technology report, technology role, technology road
developing eq » developing e, developing egg, developing _
4 developing » 3 developing
eq afrique » en afrique, l 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 robot information rates have 2.7 communication costs 4 developing eq afrique.*.