Perhaps you should try some spelling variations:
change information » chandos information, trade information
technology change » technological change, technological changes
information rates » information states, information ratio, information rules
1.1 communication » 4.1 communication, 1.3 communication, 1.4 communication
rates case » rates cape, states case, rates east
1 african » _ african, 1 africa, 2 african
case 1.1 » case 14.1, cases 1.1, case 13.1

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

• Adding a wildcard symbol may retrieve word variants: technology change information rates case 1.1 communication costs _ development 1 african.*.