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
2.4 communication » 2.14 communication, 5.4 communication, 2.3 communication
au developpement » du developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
rates care » rates cape, states care, rates have
l afrique » en afrique
care 2.4 » care 2.1, care 3.4, care 5.4
costs au » costs a, costs amy, costs _

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 care 2.4 communication costs au developpement l afrique.*.