Perhaps you should try some spelling variations:
choice information » price information, change information, device information
technology choice » technology change
information rates » information states, information ratio, information rules
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
developpement il » developpement de, developpement et, developpement du
4 developpement » de developpement, le developpement, et developpement
rates case » rates cape, states case, rates east
il afrique » l afrique, en afrique
case 2.7 » case 2.3, case 2.1, case 2.2
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 choice information rates case 2.7 communication costs 4 developpement il afrique.*.